cvelistv5 - CVE-2019-1616

CVE-2019-1616

Vulnerability from cvelistv5

Published

2019-03-11 22:00

Modified

2024-11-19 19:15

Severity ?

8.6 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Summary

Cisco NX-OS Software Cisco Fabric Services Denial of Service Vulnerability

References

URL	Tags
ykramarz@cisco.com	http://www.securityfocus.com/bid/107395	Third Party Advisory, VDB Entry
ykramarz@cisco.com	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/107395	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos	Vendor Advisory

Impacted products

Vendor

Product

Version

▼

Cisco

MDS 9000 Series Multilayer Switches

Version: unspecified   < 6.2(25)
Version: unspecified   < 8.1(1b)
Version: unspecified   < 8.3(1)

Cisco	Nexus 3000 Series Switches	Version: unspecified < 7.0(3)I4(9) Version: unspecified < 7.0(3)I7(4)
Cisco	Nexus 3500 Platform Switches	Version: unspecified < 6.0(2)A8(10) Version: unspecified < 7.0(3)I7(4)
Cisco	Nexus 3600 Platform Switches	Version: unspecified < 7.0(3)F3(5)
Cisco	Nexus 7000 and 7700 Series Switches	Version: unspecified < 6.2(22) Version: unspecified < 8.2(3)
Cisco	Nexus 9000 Series Switches in Standalone NX-OS Mode	Version: unspecified < 7.0(3)I4(9) Version: unspecified < 7.0(3)I7(4)
Cisco	Nexus 9500 R-Series Line Cards and Fabric Modules	Version: unspecified < 7.0(3)F3(5)
Cisco	UCS 6200, 6300, and 6400 Fabric Interconnects	Version: unspecified < 3.2(3j) Version: unspecified < 4.0(2a)

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A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a buffer overflow, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in process crashes and a DoS condition on the device. MDS 9000 Series Multilayer Switches are affected running software versions prior to 6.2(25), 8.1(1b), 8.3(1). Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected running software versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected running software versions prior to 7.0(3)F3(5) Nexus 7000 and 7700 Series Switches are affected running software versions prior to 6.2(22) and 8.2(3). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5). UCS 6200, 6300, and 6400 Fabric Interconnects are affected running software versions prior to 3.2(3j) and 4.0(2a). Cisco NX-OS The software contains a buffer error vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. This issue is being tracked by Cisco bug ID CSCvh99066, CSCvj10176, CSCvj10178, CSCvj10181 and CSCvj10183. Cisco NX-OS Software is a set of data center-level operating system software used by switches

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ghsa-qfp2-rcgq-9rpw

Vulnerability from github

Published

2022-05-13 01:31

Modified

2022-05-13 01:31

Severity ?

7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2019-1616"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-03-11T21:29:00Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a buffer overflow, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in process crashes and a DoS condition on the device. MDS 9000 Series Multilayer Switches are affected running software versions prior to 6.2(25), 8.1(1b), 8.3(1). Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected running software versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected running software versions prior to 7.0(3)F3(5) Nexus 7000 and 7700 Series Switches are affected running software versions prior to 6.2(22) and 8.2(3). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5). UCS 6200, 6300, and 6400 Fabric Interconnects are affected running software versions prior to 3.2(3j) and 4.0(2a).",
  "id": "GHSA-qfp2-rcgq-9rpw",
  "modified": "2022-05-13T01:31:31Z",
  "published": "2022-05-13T01:31:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-1616"
    },
    {
      "type": "WEB",
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/107395"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cisco-sa-20190306-nxos-fabric-dos

Vulnerability from csaf_cisco

Published

2019-03-06 16:00

Modified

2019-03-19 20:55

Summary

Cisco NX-OS Software Cisco Fabric Services Denial of Service Vulnerability

Notes

Summary

A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a buffer overflow, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in process crashes and a DoS condition on the device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos"] This advisory is part of the March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication, which includes 25 Cisco Security Advisories that describe 26 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-70757"].

Vulnerable Products

This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco NX-OS Software: MDS 9000 Series Multilayer Switches Nexus 3000 Series Switches Nexus 3500 Platform Switches Nexus 3600 Platform Switches Nexus 7000 Series Switches Nexus 7700 Series Switches Nexus 9000 Series Switches in standalone NX-OS mode Nexus 9500 R-Series Line Cards and Fabric Modules UCS 6200 Series Fabric Interconnects UCS 6300 Series Fabric Interconnects UCS 6400 Series Fabric Interconnects For information about determining whether a device is configured to use Cisco Fabric Services, see the Details ["#details"] section of this advisory. For information about which Cisco NX-OS Software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory. Determining the Cisco NX-OS Software Release Administrators can check the release of Cisco NX-OS Software that is running on a device by using the show version command in the device CLI. The following example shows the output of this command on a device that is running Cisco NX-OS Software Release 7.0(3)I5(1): nxos-switch# show version Cisco Nexus Operating System (NX-OS) Software TAC support: http://www.cisco.com/tac Copyright (C) 2002-2016, Cisco and/or its affiliates. All rights reserved. The copyrights to certain works contained in this software are owned by other third parties and used and distributed under their own licenses, such as open source. This software is provided "as is," and unless otherwise stated, there is no warranty, express or implied, including but not limited to warranties of merchantability and fitness for a particular purpose. Certain components of this software are licensed under the GNU General Public License (GPL) version 2.0 or GNU General Public License (GPL) version 3.0 or the GNU Lesser General Public License (LGPL) Version 2.1 or Lesser General Public License (LGPL) Version 2.0. A copy of each such license is available at http://www.opensource.org/licenses/gpl-2.0.php and http://opensource.org/licenses/gpl-3.0.html and http://www.opensource.org/licenses/lgpl-2.1.php and http://www.gnu.org/licenses/old-licenses/library.txt. Software BIOS: version 07.57 NXOS: version 7.0(3)I5(1) [build 7.0(3)I5(0.9)] BIOS compile time: 06/29/2016 NXOS image file is: bootflash:///nxos.7.0.3.I5.0.9.bin NXOS compile time: 8/1/2016 23:00:00 [08/02/2016 00:30:32] . . .

Products Confirmed Not Vulnerable

Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by this vulnerability. Cisco has confirmed that this vulnerability does not affect the following Cisco products: Firepower 2100 Series Firewalls Firepower 4100 Series Next-Generation Firewalls Firepower 9300 Security Appliance Nexus 1000V Switch for Microsoft Hyper-V Nexus 1000V Switch for VMware vSphere Nexus 2000 Series Fabric Extenders Nexus 5500 Platform Switches Nexus 5600 Platform Switches Nexus 6000 Series Switches Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode

Details

Cisco Fabric Services provides a common infrastructure for distributing and synchronizing configuration data between Cisco devices that are on the same network and with virtual port channels (vPCs). This includes configuration data for applications and features that are compatible with and enabled to use Cisco Fabric Services—for example, Distributed Device Alias Services, Network Time Protocol (NTP), and user and administrator roles. To distribute and synchronize data, Cisco Fabric Services can be configured to use any of the following distribution types: Cisco Fabric Services over Fibre Channel (CFSoFC): Distributes data over a Fibre Channel (FC), such as a virtual storage area network (VSAN). CFSoFC distribution is enabled by default. Cisco Fabric Services over Ethernet (CFSoE): Distributes data over an Ethernet network. CFSoE packets transit only on the vPC peer link, which is used to sync states between a pair of vPC switches. CFSoE distribution is disabled by default. Cisco Fabric Services over IP (CFSoIP): Distributes data over an IPv4 or IPv6 network. CFSoIP distribution is disabled by default. The vulnerability described in this advisory is due to insufficient input validation that could occur when the affected software processes Cisco Fabric Services packets that it receives during distribution and synchronization operations. Exploitation of the vulnerability does not require any applications to be enabled to use Cisco Fabric Services. Instead, exploitation depends on which Cisco Fabric Services distribution types are configured for a device. In addition, the attack vectors vary based on which distribution types are configured, as follows: CFSoFC: If FC ports are configured for a device, an attack could occur via Fibre Channel over Ethernet (FCoE) or Fibre Channel over IP (FCIP). In this scenario, an attack could succeed in the data plane, not the management plane, of any FC port. If no FC ports are configured for a device, this distribution type cannot be used to exploit the vulnerability. CFSoE: An attack is possible from an attacker who has direct access to the vPC peer link. No other peer, neighbor, or vPC-connected device can be used to exploit the vulnerability. CFSoIP: An attack is possible from any node that has IP network connectivity to the management interface of a device. In this scenario, an attack cannot succeed from the data plane. If a device is enabled to use more than one distribution type, the applicable attack vectors for all those distribution types exist for the device. Administrators can display configuration information and check the distribution status of Cisco Fabric Services for a device by using the show cfs status command in the device CLI, as shown in the following example: switch# show cfs status Distribution : Enabled Distribution over IP : Disabled IPv4 multicast address : 239.255.70.83 IPv6 multicast address : ff15::efff:4653 Distribution over Ethernet : Disabled In the preceding example, the Enabled value in the Distribution field of the command output indicates that Cisco Fabric Services is enabled for the device and the device is configured to use the default Cisco Fabric Services distribution type, which is CFSoFC. The Disabled value in the Distribution over IP field and the Distribution over Ethernet field indicates that the device is not additionally configured to use the CFSoIP and CFSoE distribution types.

Workarounds

There are no workarounds that address this vulnerability.

Fixed Software

Cisco has released free software updates that address the vulnerability described in this advisory. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license: https://www.cisco.com/c/en/us/products/end-user-license-agreement.html ["https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"] Additionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades. When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page ["https://www.cisco.com/go/psirt"], to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers. Customers Without Service Contracts Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html ["https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"] Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade. Fixed Releases Customers are advised to upgrade to an appropriate release ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"] as indicated in the applicable table in this section. To help ensure a complete upgrade solution, customers should consider that this advisory is part of a bundled publication. The following page provides a complete list of bundle advisories: Cisco Event Response: March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-70757"]. In the following tables, the left column lists releases of Cisco FXOS Software or Cisco NX-OS Software. The center column indicates whether a release is affected by the vulnerability described in this advisory and the first release that includes the fix for this vulnerability. The right column indicates whether a release is affected by all the vulnerabilities described in this bundle and which release includes fixes for those vulnerabilities. Although the releases listed in the right column of each table include fixes for the vulnerabilities, the fix related to the Cisco NX-OS Software Image Signature Verification Vulnerability ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-sig-verif"] requires a BIOS upgrade as part of the software upgrade. Customers who are upgrading the software for any of the following products are advised to refer to this advisory for further details about the BIOS upgrade and affected product IDs and BIOS versions: Nexus 3000 Series Switches Nexus 9000 Series Fabric Switches in ACI mode Nexus 9000 Series Switches in standalone NX-OS mode Nexus 9500 R-Series Line Cards and Fabric Modules MDS 9000 Series Multilayer Switches: CSCvj10178 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10178"] Cisco NX-OS Software Release First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories 5.2 6.2(25) 6.2(27) 6.2 6.2(25) 6.2(27) 7.3 8.1(1b) 8.3(2) 8.1 8.1(1b) 8.3(2) 8.2 8.3(1) 8.3(2) 8.3 Not vulnerable 8.3(2) Nexus 3000 Series Switches: CSCvh99066 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh99066"] Cisco NX-OS Software Release First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories Prior to 7.0(3)I4 7.0(3)I4(9) 7.0(3)I7(6) 7.0(3)I4 7.0(3)I4(9) 7.0(3)I7(6) 7.0(3)I5 7.0(3)I7(4) 7.0(3)I7(6) 7.0(3)I6 7.0(3)I7(4) 7.0(3)I7(6) 7.0(3)I7 7.0(3)I7(4) 7.0(3)I7(6) 9.2 Not vulnerable 9.2(2) Nexus 3500 Platform Switches: CSCvj10181 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10181"] Cisco NX-OS Software Release First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories Prior to 6.0(2)A8 6.0(2)A8(10) 6.0(2)A8(11) 6.0(2)A8 6.0(2)A8(10) 6.0(2)A8(11) 7.0(3) 7.0(3)I7(4) 7.0(3)I7(6) 9.2 Not vulnerable 9.2(2) Nexus 3600 Platform Switches: CSCvj10176 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10176"] Cisco NX-OS Software Release First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories 7.0(3)F3 7.0(3)F3(3c)1 7.0(3)F3(5) 9.2 Not vulnerable 9.2(2) 1This vulnerability is not fixed in 7.0(3)F3(4) but is fixed in 7.0(3)F3(5). Nexus 7000 and 7700 Series Switches: CSCvj10178 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10178"] Cisco NX-OS Software Release First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories Prior to 6.2 Not vulnerable 6.2(22) 6.2 6.2(22) 6.2(22) 7.2 8.2(3) 8.2(3) 7.3 Umbrella SMU for CSCvj10178 and CSCvj638071 8.2(3) 8.0 8.2(3) 8.2(3) 8.1 8.2(3) 8.2(3) 8.2 8.2(3) 8.2(3) 8.3 Not vulnerable 8.3(2) 1Software maintenance upgrade (SMU) for Nexus 7000 and 7700. The SMU filename contains the Cisco bug ID CSCvo56625. Nexus 9000 Series Switches in Standalone NX-OS Mode: CSCvh99066 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh99066"] Cisco NX-OS Software Release First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories Prior to 7.0(3)I4 7.0(3)I4(9) 7.0(3)I7(6) 7.0(3)I4 7.0(3)I4(9) 7.0(3)I7(6) 7.0(3)I5 7.0(3)I7(4) 7.0(3)I7(6) 7.0(3)I6 7.0(3)I7(4) 7.0(3)I7(6) 7.0(3)I7 7.0(3)I7(4) 7.0(3)I7(6) 9.2 Not vulnerable 9.2(2) Nexus 9500 R-Series Line Cards and Fabric Modules: CSCvj10176 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10176"] Cisco NX-OS Software Release First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories 7.0(3)F1 7.0(3)F3(3c)1 7.0(3)F3(5) 7.0(3)F2 7.0(3)F3(3c)1 7.0(3)F3(5) 7.0(3)F3 7.0(3)F3(3c)1 7.0(3)F3(5) 9.2 Not vulnerable 9.2(2) 1This vulnerability is not fixed in 7.0(3)F3(4) but is fixed in 7.0(3)F3(5). UCS 6200, 6300, and 6400 Fabric Interconnects: CSCvj10183 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10183"] Cisco NX-OS Software Release First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories Prior to 3.1 3.2(3j) 3.2(3j) 3.1 3.2(3j) 3.2(3j) 3.2 3.2(3j) 3.2(3j) 4.0 4.0(2a) 4.0(2a) Additional Resources For help determining the best Cisco NX-OS Software release for a Cisco Nexus Switch, administrators can refer to the following Recommended Releases documents. If a security advisory recommends a later release, Cisco recommends following the advisory guidance. Cisco MDS Series Switches ["https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/b_MDS_NX-OS_Recommended_Releases.html"] Cisco Nexus 1000V for VMware Switch ["http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000/sw/recommended_releases/b_Cisco_N1KV_VMware_MinRecommendedReleases.html"] Cisco Nexus 3000 Series and 3500 Series Switches ["http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_3000_Series_Switches.html"] Cisco Nexus 5000 Series Switches ["http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/release/recommended_releases/recommended_nx-os_releases.html"] Cisco Nexus 5500 Platform Switches ["http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/release/recommended_releases/n5500_recommended_nx-os_releases.html"] Cisco Nexus 6000 Series Switches ["http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus6000/sw/release/recommended_releases/recommended_nx-os_releases.html"] Cisco Nexus 7000 Series Switches ["http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/recommended_releases/recommended_nx-os_releases.html"] Cisco Nexus 9000 Series Switches ["http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_9000_Series_Switches.html"] Cisco Nexus 9000 Series ACI-Mode Switches ["https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/recommended-release/b_Recommended_Cisco_ACI_Releases.html"] For help determining the best Cisco NX-OS Software release for Cisco UCS, refer to the Recommended Releases documents in the release notes for the device.

Vulnerability Policy

To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.

Exploitation and Public Announcements

The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

Source

This vulnerability was found during internal security testing.

Legal Disclaimer

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME. A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.

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{
  "document": {
    "acknowledgments": [
      {
        "summary": "This vulnerability was found during internal security testing."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a buffer overflow, resulting in a denial of service (DoS) condition.\r\n\r\nThe vulnerability is due to insufficient validation of Cisco Fabric Services packets.  An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in process crashes and a DoS condition on the device.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\nThis advisory is available at the following link:\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos\"]\r\n  This advisory is part of the March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication, which includes 25 Cisco Security Advisories that describe 26 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication [\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-70757\"].",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco NX-OS Software:\r\n\r\nMDS 9000 Series Multilayer Switches\r\nNexus 3000 Series Switches\r\nNexus 3500 Platform Switches\r\nNexus 3600 Platform Switches\r\nNexus 7000 Series Switches\r\nNexus 7700 Series Switches\r\nNexus 9000 Series Switches in standalone NX-OS mode\r\nNexus 9500 R-Series Line Cards and Fabric Modules\r\nUCS 6200 Series Fabric Interconnects\r\nUCS 6300 Series Fabric Interconnects\r\nUCS 6400 Series Fabric Interconnects\r\n\r\nFor information about determining whether a device is configured to use Cisco Fabric Services, see the Details [\"#details\"] section of this advisory.\r\n\r\nFor information about which Cisco NX-OS Software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n  Determining the Cisco NX-OS Software Release\r\nAdministrators can check the release of Cisco NX-OS Software that is running on a device by using the show version command in the device CLI. The following example shows the output of this command on a device that is running Cisco NX-OS Software Release 7.0(3)I5(1):\r\n\r\n\r\nnxos-switch# show version\r\nCisco Nexus Operating System (NX-OS) Software  TAC support: http://www.cisco.com/tac  Copyright (C) 2002-2016, Cisco and/or its affiliates.  All rights reserved.  The copyrights to certain works contained in this software are  owned by other third parties and used and distributed under their own  licenses, such as open source.  This software is provided \"as is,\" and  unless otherwise stated, there is no warranty, express or implied,   including but not limited to warranties of merchantability and fitness   for a particular purpose. Certain components of this software are   licensed under the GNU General Public License (GPL) version 2.0 or   GNU General Public License (GPL) version 3.0  or the GNU  Lesser General Public License (LGPL) Version 2.1 or   Lesser General Public License (LGPL) Version 2.0.   A copy of each such license is available at  http://www.opensource.org/licenses/gpl-2.0.php and  http://opensource.org/licenses/gpl-3.0.html and  http://www.opensource.org/licenses/lgpl-2.1.php and  http://www.gnu.org/licenses/old-licenses/library.txt.  Software    BIOS: version 07.57    NXOS: version 7.0(3)I5(1) [build 7.0(3)I5(0.9)]    BIOS compile time:  06/29/2016    NXOS image file is: bootflash:///nxos.7.0.3.I5.0.9.bin    NXOS compile time:  8/1/2016 23:00:00 [08/02/2016 00:30:32]    .    .    .",
        "title": "Vulnerable Products"
      },
      {
        "category": "general",
        "text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by this vulnerability.\r\n\r\nCisco has confirmed that this vulnerability does not affect the following Cisco products:\r\n\r\nFirepower 2100 Series Firewalls\r\nFirepower 4100 Series Next-Generation Firewalls\r\nFirepower 9300 Security Appliance\r\nNexus 1000V Switch for Microsoft Hyper-V\r\nNexus 1000V Switch for VMware vSphere\r\nNexus 2000 Series Fabric Extenders\r\nNexus 5500 Platform Switches\r\nNexus 5600 Platform Switches\r\nNexus 6000 Series Switches\r\nNexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "Cisco Fabric Services provides a common infrastructure for distributing and synchronizing configuration data between Cisco devices that are on the same network and with virtual port channels (vPCs). This includes configuration data for applications and features that are compatible with and enabled to use Cisco Fabric Services\u2014for example, Distributed Device Alias Services, Network Time Protocol (NTP), and user and administrator roles.\r\nTo distribute and synchronize data, Cisco Fabric Services can be configured to use any of the following distribution types:\r\n\r\nCisco Fabric Services over Fibre Channel (CFSoFC): Distributes data over a Fibre Channel (FC), such as a virtual storage area network (VSAN). CFSoFC distribution is enabled by default.\r\nCisco Fabric Services over Ethernet (CFSoE): Distributes data over an Ethernet network. CFSoE packets transit only on the vPC peer link, which is used to sync states between a pair of vPC switches. CFSoE distribution is disabled by default.\r\nCisco Fabric Services over IP (CFSoIP): Distributes data over an IPv4 or IPv6 network. CFSoIP distribution is disabled by default.\r\n\r\nThe vulnerability described in this advisory is due to insufficient input validation that could occur when the affected software processes Cisco Fabric Services packets that it receives during distribution and synchronization operations. Exploitation of the vulnerability does not require any applications to be enabled to use Cisco Fabric Services. Instead, exploitation depends on which Cisco Fabric Services distribution types are configured for a device. In addition, the attack vectors vary based on which distribution types are configured, as follows:\r\n\r\nCFSoFC: If FC ports are configured for a device, an attack could occur via Fibre Channel over Ethernet (FCoE) or Fibre Channel over IP (FCIP). In this scenario, an attack could succeed in the data plane, not the management plane, of any FC port. If no FC ports are configured for a device, this distribution type cannot be used to exploit the vulnerability.\r\nCFSoE: An attack is possible from an attacker who has direct access to the vPC peer link. No other peer, neighbor, or vPC-connected device can be used to exploit the vulnerability.\r\nCFSoIP: An attack is possible from any node that has IP network connectivity to the management interface of a device. In this scenario, an attack cannot succeed from the data plane.\r\n\r\nIf a device is enabled to use more than one distribution type, the applicable attack vectors for all those distribution types exist for the device.\r\n\r\nAdministrators can display configuration information and check the distribution status of Cisco Fabric Services for a device by using the show cfs status command in the device CLI, as shown in the following example:\r\n\r\n\r\nswitch# show cfs status\r\n  Distribution : Enabled  Distribution over IP : Disabled  IPv4 multicast address : 239.255.70.83  IPv6 multicast address : ff15::efff:4653  Distribution over Ethernet : Disabled\r\n\r\nIn the preceding example, the Enabled value in the Distribution field of the command output indicates that Cisco Fabric Services is enabled for the device and the device is configured to use the default Cisco Fabric Services distribution type, which is CFSoFC. The Disabled value in the Distribution over IP field and the Distribution over Ethernet field indicates that the device is not additionally configured to use the CFSoIP and CFSoE distribution types.",
        "title": "Details"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address this vulnerability.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "Cisco has released free software updates that address the vulnerability described in this advisory. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:\r\nhttps://www.cisco.com/c/en/us/products/end-user-license-agreement.html [\"https://www.cisco.com/c/en/us/products/end-user-license-agreement.html\"]\r\n\r\nAdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.\r\n\r\nWhen considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page [\"https://www.cisco.com/go/psirt\"], to determine exposure and a complete upgrade solution.\r\n\r\nIn all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.\r\n\r\nCustomers Without Service Contracts\r\n\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC:\r\nhttps://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]\r\n\r\nCustomers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n\r\nFixed Releases\r\n\r\n\r\nCustomers are advised to upgrade to an appropriate release [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] as indicated in the applicable table in this section. To help ensure a complete upgrade solution, customers should consider that this advisory is part of a bundled publication. The following page provides a complete list of bundle advisories: Cisco Event Response: March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication [\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-70757\"].\r\n\r\nIn the following tables, the left column lists releases of Cisco FXOS Software or Cisco NX-OS Software. The center column indicates whether a release is affected by the vulnerability described in this advisory and the first release that includes the fix for this vulnerability. The right column indicates whether a release is affected by all the vulnerabilities described in this bundle and which release includes fixes for those vulnerabilities.\r\n\r\nAlthough the releases listed in the right column of each table include fixes for the vulnerabilities, the fix related to the Cisco NX-OS Software Image Signature Verification Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-sig-verif\"] requires a BIOS upgrade as part of the software upgrade. Customers who are upgrading the software for any of the following products are advised to refer to this advisory for further details about the BIOS upgrade and affected product IDs and BIOS versions:\r\n\r\nNexus 3000 Series Switches\r\nNexus 9000 Series Fabric Switches in ACI mode\r\nNexus 9000 Series Switches in standalone NX-OS mode\r\nNexus 9500 R-Series Line Cards and Fabric Modules\r\nMDS 9000 Series Multilayer Switches: CSCvj10178 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10178\"]\r\n\r\n                              Cisco NX-OS Software Release              First Fixed Release for This Vulnerability              First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories                                              5.2              6.2(25)              6.2(27)                                  6.2              6.2(25)              6.2(27)                                  7.3              8.1(1b)              8.3(2)                                  8.1              8.1(1b)              8.3(2)                                  8.2              8.3(1)              8.3(2)\r\n                                  8.3              Not vulnerable              8.3(2)\r\nNexus 3000 Series Switches: CSCvh99066 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh99066\"]\r\n\r\n                              Cisco NX-OS Software Release              First Fixed Release for This Vulnerability              First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories                                              Prior to 7.0(3)I4              7.0(3)I4(9)              7.0(3)I7(6)                                  7.0(3)I4              7.0(3)I4(9)              7.0(3)I7(6)                                  7.0(3)I5              7.0(3)I7(4)              7.0(3)I7(6)                                  7.0(3)I6              7.0(3)I7(4)              7.0(3)I7(6)                                  7.0(3)I7              7.0(3)I7(4)              7.0(3)I7(6)                                  9.2              Not vulnerable              9.2(2)\r\nNexus 3500 Platform Switches: CSCvj10181 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10181\"]\r\n\r\n                              Cisco NX-OS Software Release              First Fixed Release for This Vulnerability              First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories                                              Prior to 6.0(2)A8              6.0(2)A8(10)              6.0(2)A8(11)                                  6.0(2)A8              6.0(2)A8(10)              6.0(2)A8(11)                                  7.0(3)              7.0(3)I7(4)              7.0(3)I7(6)                                  9.2              Not vulnerable              9.2(2)\r\nNexus 3600 Platform Switches: CSCvj10176 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10176\"]\r\n\r\n                              Cisco NX-OS Software Release              First Fixed Release for This Vulnerability              First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories                                              7.0(3)F3              7.0(3)F3(3c)1              7.0(3)F3(5)                                  9.2              Not vulnerable              9.2(2)                    1This vulnerability is not fixed in 7.0(3)F3(4) but is fixed in 7.0(3)F3(5).\r\n\r\nNexus 7000 and 7700 Series Switches: CSCvj10178 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10178\"]\r\n\r\n                              Cisco NX-OS Software Release              First Fixed Release for This Vulnerability              First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories                                              Prior to 6.2              Not vulnerable              6.2(22)                                  6.2              6.2(22)               6.2(22)\r\n                                  7.2              8.2(3)              8.2(3)                                  7.3              Umbrella SMU for CSCvj10178 and CSCvj638071              8.2(3)                                  8.0              8.2(3)              8.2(3)                                  8.1              8.2(3)              8.2(3)                                  8.2              8.2(3)               8.2(3)\r\n                                  8.3              Not vulnerable              8.3(2)                    1Software maintenance upgrade (SMU) for Nexus 7000 and 7700. The SMU filename contains the Cisco bug ID CSCvo56625.\r\n\r\nNexus 9000 Series Switches in Standalone NX-OS Mode: CSCvh99066 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh99066\"]\r\n                              Cisco NX-OS Software Release              First Fixed Release for This Vulnerability              First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories                                              Prior to 7.0(3)I4              7.0(3)I4(9)              7.0(3)I7(6)                                  7.0(3)I4              7.0(3)I4(9)              7.0(3)I7(6)                                  7.0(3)I5              7.0(3)I7(4)              7.0(3)I7(6)                                  7.0(3)I6              7.0(3)I7(4)              7.0(3)I7(6)                                  7.0(3)I7              7.0(3)I7(4)              7.0(3)I7(6)                                  9.2              Not vulnerable              9.2(2)\r\nNexus 9500 R-Series Line Cards and Fabric Modules: CSCvj10176 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10176\"]\r\n\r\n                              Cisco NX-OS Software Release              First Fixed Release for This Vulnerability              First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories                                              7.0(3)F1              7.0(3)F3(3c)1               7.0(3)F3(5)                                  7.0(3)F2              7.0(3)F3(3c)1               7.0(3)F3(5)                                  7.0(3)F3              7.0(3)F3(3c)1               7.0(3)F3(5)                                  9.2              Not vulnerable              9.2(2)                    1This vulnerability is not fixed in 7.0(3)F3(4) but is fixed in 7.0(3)F3(5).\r\n\r\nUCS 6200, 6300, and 6400 Fabric Interconnects: CSCvj10183 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10183\"]\r\n\r\n                              Cisco NX-OS Software Release              First Fixed Release for This Vulnerability              First Fixed Release for All Vulnerabilities Described in the Bundle of Advisories                                              Prior to 3.1              3.2(3j)              3.2(3j)                                  3.1              3.2(3j)              3.2(3j)                                  3.2              3.2(3j)              3.2(3j)\r\n                                  4.0              4.0(2a)              4.0(2a)\r\nAdditional Resources\r\nFor help determining the best Cisco NX-OS Software release for a Cisco Nexus Switch, administrators can refer to the following Recommended Releases documents. If a security advisory recommends a later release, Cisco recommends following the advisory guidance.\r\n\r\n\r\nCisco MDS Series Switches [\"https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/b_MDS_NX-OS_Recommended_Releases.html\"]\r\nCisco Nexus 1000V for VMware Switch [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000/sw/recommended_releases/b_Cisco_N1KV_VMware_MinRecommendedReleases.html\"]\r\nCisco Nexus 3000 Series and 3500 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_3000_Series_Switches.html\"]\r\nCisco Nexus 5000 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/release/recommended_releases/recommended_nx-os_releases.html\"]\r\nCisco Nexus 5500 Platform Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/release/recommended_releases/n5500_recommended_nx-os_releases.html\"]\r\nCisco Nexus 6000 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus6000/sw/release/recommended_releases/recommended_nx-os_releases.html\"]\r\nCisco Nexus 7000 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/recommended_releases/recommended_nx-os_releases.html\"]\r\nCisco Nexus 9000 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_9000_Series_Switches.html\"]\r\nCisco Nexus 9000 Series ACI-Mode Switches [\"https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/recommended-release/b_Recommended_Cisco_ACI_Releases.html\"]\r\n  For help determining the best Cisco NX-OS Software release for Cisco UCS, refer to the Recommended Releases documents in the release notes for the device.",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.",
        "title": "Exploitation and Public Announcements"
      },
      {
        "category": "general",
        "text": "This vulnerability was found during internal security testing.",
        "title": "Source"
      },
      {
        "category": "legal_disclaimer",
        "text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
        "title": "Legal Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "Emergency Support:\r\n+1 877 228 7302 (toll-free within North America)\r\n+1 408 525 6532 (International direct-dial)\r\nNon-emergency Support:\r\nEmail: psirt@cisco.com\r\nSupport requests that are received via e-mail are typically acknowledged within 48 hours.",
      "issuing_authority": "Cisco product security incident response is the responsibility of the Cisco Product Security Incident Response Team (PSIRT). The Cisco PSIRT is a dedicated, global team that manages the receipt, investigation, and public reporting of security vulnerability information that is related to Cisco products and networks. The on-call Cisco PSIRT works 24x7 with Cisco customers, independent security researchers, consultants, industry organizations, and other vendors to identify possible security issues with Cisco products and networks.\r\nMore information can be found in Cisco Security Vulnerability Policy available at https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Cisco NX-OS Software Cisco Fabric Services Denial of Service Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos"
      },
      {
        "category": "external",
        "summary": "Cisco Event Response: March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication",
        "url": "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-70757"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dos"
      },
      {
        "category": "external",
        "summary": "Cisco Event Response: March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication",
        "url": "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-70757"
      },
      {
        "category": "external",
        "summary": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html",
        "url": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisories and Alerts page",
        "url": "https://www.cisco.com/go/psirt"
      },
      {
        "category": "external",
        "summary": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html",
        "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
      },
      {
        "category": "external",
        "summary": "upgrade to an appropriate release",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
      },
      {
        "category": "external",
        "summary": "Cisco\u0026nbsp;Event Response: March 2019 Cisco\u0026nbsp;FXOS and NX-OS Software Security Advisory Bundled Publication",
        "url": "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-70757"
      },
      {
        "category": "external",
        "summary": "Cisco NX-OS Software Image Signature Verification Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-sig-verif"
      },
      {
        "category": "external",
        "summary": "CSCvj10178",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10178"
      },
      {
        "category": "external",
        "summary": "CSCvh99066",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh99066"
      },
      {
        "category": "external",
        "summary": "CSCvj10181",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10181"
      },
      {
        "category": "external",
        "summary": "CSCvj10176",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10176"
      },
      {
        "category": "external",
        "summary": "CSCvj10178",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10178"
      },
      {
        "category": "external",
        "summary": "CSCvh99066",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh99066"
      },
      {
        "category": "external",
        "summary": "CSCvj10176",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10176"
      },
      {
        "category": "external",
        "summary": "CSCvj10183",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj10183"
      },
      {
        "category": "external",
        "summary": "Cisco MDS Series Switches",
        "url": "https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/b_MDS_NX-OS_Recommended_Releases.html"
      },
      {
        "category": "external",
        "summary": "Cisco Nexus 1000V for VMware Switch",
        "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000/sw/recommended_releases/b_Cisco_N1KV_VMware_MinRecommendedReleases.html"
      },
      {
        "category": "external",
        "summary": "Cisco Nexus 3000 Series and 3500 Series Switches",
        "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_3000_Series_Switches.html"
      },
      {
        "category": "external",
        "summary": "Cisco Nexus 5000 Series Switches",
        "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/release/recommended_releases/recommended_nx-os_releases.html"
      },
      {
        "category": "external",
        "summary": "Cisco Nexus 5500 Platform Switches",
        "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/release/recommended_releases/n5500_recommended_nx-os_releases.html"
      },
      {
        "category": "external",
        "summary": "Cisco Nexus 6000 Series Switches",
        "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus6000/sw/release/recommended_releases/recommended_nx-os_releases.html"
      },
      {
        "category": "external",
        "summary": "Cisco Nexus 7000 Series Switches",
        "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/recommended_releases/recommended_nx-os_releases.html"
      },
      {
        "category": "external",
        "summary": "Cisco Nexus 9000 Series Switches",
        "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_9000_Series_Switches.html"
      },
      {
        "category": "external",
        "summary": "Cisco Nexus 9000 Series ACI-Mode Switches",
        "url": "https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/recommended-release/b_Recommended_Cisco_ACI_Releases.html"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      }
    ],
    "title": "Cisco NX-OS Software Cisco Fabric Services Denial of Service Vulnerability",
    "tracking": {
      "current_release_date": "2019-03-19T20:55:00+00:00",
      "generator": {
        "date": "2022-09-03T03:39:17+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-20190306-nxos-fabric-dos",
      "initial_release_date": "2019-03-06T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2019-03-06T15:31:27+00:00",
          "number": "1.0.0",
          "summary": "Initial public release."
        },
        {
          "date": "2019-03-19T20:55:21+00:00",
          "number": "1.1.0",
          "summary": "Added SMU fix for Nexus 7000 and 7700 for the 7.3 software release."
        }
      ],
      "status": "final",
      "version": "1.1.0"
    }
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                      "name": "7.0(3)IX1(2)",
                      "product_id": "CSAFPID-239480"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "7.0(3)IX1(2a)",
                    "product": {
                      "name": "7.0(3)IX1(2a)",
                      "product_id": "CSAFPID-239481"
                    }
                  }
                ],
                "category": "product_version",
                "name": "7.0(3)IX1"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "7.2(0)D1(1)",
                    "product": {
                      "name": "7.2(0)D1(1)",
                      "product_id": "CSAFPID-230440"
                    }
                  }
                ],
                "category": "product_version",
                "name": "7.2(0)D1"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
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                    }
                  }
                ],
                "category": "product_version",
                "name": "7.2(1)D1"
              },
              {
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                  {
                    "category": "service_pack",
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                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "7.2(2)D1(1)",
                    "product": {
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                  }
                ],
                "category": "product_version",
                "name": "7.2(2)D1"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "7.3(0)D1(1)",
                    "product": {
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                    }
                  }
                ],
                "category": "product_version",
                "name": "7.3(0)D1"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "7.3(0)DX(1)",
                    "product": {
                      "name": "7.3(0)DX(1)",
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                    }
                  }
                ],
                "category": "product_version",
                "name": "7.3(0)DX"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "7.3(0)DY(1)",
                    "product": {
                      "name": "7.3(0)DY(1)",
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                    }
                  }
                ],
                "category": "product_version",
                "name": "7.3(0)DY"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "7.3(1)D1(1B)",
                    "product": {
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                      "product_id": "CSAFPID-230434"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "7.3(1)D1(1)",
                    "product": {
                      "name": "7.3(1)D1(1)",
                      "product_id": "CSAFPID-230435"
                    }
                  }
                ],
                "category": "product_version",
                "name": "7.3(1)D1"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "7.3(1)DY(1)",
                    "product": {
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                ],
                "category": "product_version",
                "name": "7.3(1)DY"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
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                  },
                  {
                    "category": "service_pack",
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                  },
                  {
                    "category": "service_pack",
                    "name": "7.3(2)D1(3)",
                    "product": {
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                      "product_id": "CSAFPID-256870"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "7.3(2)D1(3a)",
                    "product": {
                      "name": "7.3(2)D1(3a)",
                      "product_id": "CSAFPID-256871"
                    }
                  }
                ],
                "category": "product_version",
                "name": "7.3(2)D1"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "8.0(1)S2",
                    "product": {
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                      "product_id": "CSAFPID-224617"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "8.0(1)",
                    "product": {
                      "name": "8.0(1)",
                      "product_id": "CSAFPID-227357"
                    }
                  }
                ],
                "category": "product_version",
                "name": "8.0"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
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                    "product": {
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                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "8.1(2)",
                    "product": {
                      "name": "8.1(2)",
                      "product_id": "CSAFPID-239440"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "8.1(2a)",
                    "product": {
                      "name": "8.1(2a)",
                      "product_id": "CSAFPID-239441"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "8.1(1a)",
                    "product": {
                      "name": "8.1(1a)",
                      "product_id": "CSAFPID-239510"
                    }
                  }
                ],
                "category": "product_version",
                "name": "8.1"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
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                    "product": {
                      "name": "8.2(1)",
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                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "8.2(2)",
                    "product": {
                      "name": "8.2(2)",
                      "product_id": "CSAFPID-239442"
                    }
                  }
                ],
                "category": "product_version",
                "name": "8.2"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "7.3(3)D1(1)",
                    "product": {
                      "name": "7.3(3)D1(1)",
                      "product_id": "CSAFPID-257400"
                    }
                  }
                ],
                "category": "product_version",
                "name": "7.3(3)D1"
              }
            ],
            "category": "product_family",
            "name": "Cisco NX-OS Software"
          },
          {
            "category": "product_family",
            "name": "Cisco Unified Computing System (Managed)",
            "product": {
              "name": "Cisco Unified Computing System (Managed) ",
              "product_id": "CSAFPID-112776"
            }
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-1616",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvj10181"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvj10176"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvh99066"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvj10178"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvj10183"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-191391",
          "CSAFPID-191392",
          "CSAFPID-191393",
          "CSAFPID-191447",
          "CSAFPID-191458",
          "CSAFPID-191466",
          "CSAFPID-191467",
          "CSAFPID-191468",
          "CSAFPID-191469",
          "CSAFPID-191470",
          "CSAFPID-191471",
          "CSAFPID-191472",
          "CSAFPID-191473",
          "CSAFPID-191474",
          "CSAFPID-191475",
          "CSAFPID-191476",
          "CSAFPID-191477",
          "CSAFPID-191478",
          "CSAFPID-191479",
          "CSAFPID-191480",
          "CSAFPID-191481",
          "CSAFPID-191482",
          "CSAFPID-191483",
          "CSAFPID-191484",
          "CSAFPID-191485",
          "CSAFPID-194693",
          "CSAFPID-194694",
          "CSAFPID-196609",
          "CSAFPID-196610",
          "CSAFPID-196613",
          "CSAFPID-196614",
          "CSAFPID-196615",
          "CSAFPID-196616",
          "CSAFPID-196617",
          "CSAFPID-201604",
          "CSAFPID-201605",
          "CSAFPID-201606",
          "CSAFPID-201607",
          "CSAFPID-202737",
          "CSAFPID-202738",
          "CSAFPID-203349",
          "CSAFPID-205071",
          "CSAFPID-205072",
          "CSAFPID-205073",
          "CSAFPID-205074",
          "CSAFPID-205075",
          "CSAFPID-205076",
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          "CSAFPID-205079",
          "CSAFPID-205080",
          "CSAFPID-205081",
          "CSAFPID-205082",
          "CSAFPID-205083",
          "CSAFPID-205084",
          "CSAFPID-205085",
          "CSAFPID-205086",
          "CSAFPID-205087",
          "CSAFPID-205088",
          "CSAFPID-205089",
          "CSAFPID-205090",
          "CSAFPID-205091",
          "CSAFPID-205092",
          "CSAFPID-205093",
          "CSAFPID-208194",
          "CSAFPID-208195",
          "CSAFPID-208580",
          "CSAFPID-208581",
          "CSAFPID-208582",
          "CSAFPID-208583",
          "CSAFPID-208867",
          "CSAFPID-210263",
          "CSAFPID-213569",
          "CSAFPID-213570",
          "CSAFPID-213571",
          "CSAFPID-213572",
          "CSAFPID-213573",
          "CSAFPID-220699",
          "CSAFPID-220700",
          "CSAFPID-220701",
          "CSAFPID-220702",
          "CSAFPID-220703",
          "CSAFPID-220704",
          "CSAFPID-220738",
          "CSAFPID-220739",
          "CSAFPID-220740",
          "CSAFPID-220741",
          "CSAFPID-220742",
          "CSAFPID-220743",
          "CSAFPID-220744",
          "CSAFPID-220745",
          "CSAFPID-220746",
          "CSAFPID-220747",
          "CSAFPID-220748",
          "CSAFPID-220749",
          "CSAFPID-220750",
          "CSAFPID-220751",
          "CSAFPID-224617",
          "CSAFPID-225659",
          "CSAFPID-227356",
          "CSAFPID-227357",
          "CSAFPID-230429",
          "CSAFPID-230433",
          "CSAFPID-230434",
          "CSAFPID-230435",
          "CSAFPID-230436",
          "CSAFPID-230437",
          "CSAFPID-230438",
          "CSAFPID-230439",
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          "CSAFPID-230441",
          "CSAFPID-230442",
          "CSAFPID-230446",
          "CSAFPID-230448",
          "CSAFPID-230527",
          "CSAFPID-230530",
          "CSAFPID-230531",
          "CSAFPID-230532",
          "CSAFPID-230534",
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          "CSAFPID-230541",
          "CSAFPID-230542",
          "CSAFPID-230554",
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          "CSAFPID-230568",
          "CSAFPID-230569",
          "CSAFPID-239437",
          "CSAFPID-239439",
          "CSAFPID-239440",
          "CSAFPID-239441",
          "CSAFPID-239442",
          "CSAFPID-239445",
          "CSAFPID-239450",
          "CSAFPID-239451",
          "CSAFPID-239452",
          "CSAFPID-239453",
          "CSAFPID-239454",
          "CSAFPID-239455",
          "CSAFPID-239456",
          "CSAFPID-239457",
          "CSAFPID-239458",
          "CSAFPID-239459",
          "CSAFPID-239460",
          "CSAFPID-239472",
          "CSAFPID-239476",
          "CSAFPID-239478",
          "CSAFPID-239479",
          "CSAFPID-239480",
          "CSAFPID-239481",
          "CSAFPID-239482",
          "CSAFPID-239483",
          "CSAFPID-239484",
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          "CSAFPID-239486",
          "CSAFPID-239487",
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          "CSAFPID-239494",
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          "CSAFPID-239496",
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          "CSAFPID-239548",
          "CSAFPID-239549",
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          "CSAFPID-239582",
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          "CSAFPID-239588",
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          "CSAFPID-239591",
          "CSAFPID-239592",
          "CSAFPID-239593",
          "CSAFPID-239594",
          "CSAFPID-239595",
          "CSAFPID-239596",
          "CSAFPID-239597",
          "CSAFPID-239598",
          "CSAFPID-239599",
          "CSAFPID-239600",
          "CSAFPID-239601",
          "CSAFPID-239602",
          "CSAFPID-239603",
          "CSAFPID-239604",
          "CSAFPID-239605",
          "CSAFPID-239606",
          "CSAFPID-239607",
          "CSAFPID-239608",
          "CSAFPID-239609",
          "CSAFPID-239610",
          "CSAFPID-239611",
          "CSAFPID-239612",
          "CSAFPID-239613",
          "CSAFPID-239614",
          "CSAFPID-239615",
          "CSAFPID-239616",
          "CSAFPID-239617",
          "CSAFPID-239618",
          "CSAFPID-239619",
          "CSAFPID-239620",
          "CSAFPID-239621",
          "CSAFPID-239622",
          "CSAFPID-239623",
          "CSAFPID-239624",
          "CSAFPID-239625",
          "CSAFPID-239626",
          "CSAFPID-239627",
          "CSAFPID-239628",
          "CSAFPID-239632",
          "CSAFPID-239633",
          "CSAFPID-239634",
          "CSAFPID-239635",
          "CSAFPID-239636",
          "CSAFPID-239805",
          "CSAFPID-239806",
          "CSAFPID-239807",
          "CSAFPID-240152",
          "CSAFPID-240153",
          "CSAFPID-240154",
          "CSAFPID-248858",
          "CSAFPID-256462",
          "CSAFPID-256463",
          "CSAFPID-256464",
          "CSAFPID-256466",
          "CSAFPID-256479",
          "CSAFPID-256488",
          "CSAFPID-256490",
          "CSAFPID-256505",
          "CSAFPID-256506",
          "CSAFPID-256507",
          "CSAFPID-256508",
          "CSAFPID-256509",
          "CSAFPID-256510",
          "CSAFPID-256511",
          "CSAFPID-256512",
          "CSAFPID-256513",
          "CSAFPID-256514",
          "CSAFPID-256515",
          "CSAFPID-256516",
          "CSAFPID-256517",
          "CSAFPID-256518",
          "CSAFPID-256519",
          "CSAFPID-256520",
          "CSAFPID-256521",
          "CSAFPID-256522",
          "CSAFPID-256523",
          "CSAFPID-256870",
          "CSAFPID-256871",
          "CSAFPID-256872",
          "CSAFPID-256873",
          "CSAFPID-256874",
          "CSAFPID-257400",
          "CSAFPID-112776"
        ]
      },
      "release_date": "2019-03-06T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-112776",
            "CSAFPID-191391",
            "CSAFPID-191392",
            "CSAFPID-191393",
            "CSAFPID-191447",
            "CSAFPID-191458",
            "CSAFPID-191466",
            "CSAFPID-191467",
            "CSAFPID-191468",
            "CSAFPID-191469",
            "CSAFPID-191470",
            "CSAFPID-191471",
            "CSAFPID-191472",
            "CSAFPID-191473",
            "CSAFPID-191474",
            "CSAFPID-191475",
            "CSAFPID-191476",
            "CSAFPID-191477",
            "CSAFPID-191478",
            "CSAFPID-191479",
            "CSAFPID-191480",
            "CSAFPID-191481",
            "CSAFPID-191482",
            "CSAFPID-191483",
            "CSAFPID-191484",
            "CSAFPID-191485",
            "CSAFPID-194693",
            "CSAFPID-194694",
            "CSAFPID-196609",
            "CSAFPID-196610",
            "CSAFPID-196613",
            "CSAFPID-196614",
            "CSAFPID-196615",
            "CSAFPID-196616",
            "CSAFPID-196617",
            "CSAFPID-201604",
            "CSAFPID-201605",
            "CSAFPID-201606",
            "CSAFPID-201607",
            "CSAFPID-202737",
            "CSAFPID-202738",
            "CSAFPID-203349",
            "CSAFPID-205071",
            "CSAFPID-205072",
            "CSAFPID-205073",
            "CSAFPID-205074",
            "CSAFPID-205075",
            "CSAFPID-205076",
            "CSAFPID-205077",
            "CSAFPID-205078",
            "CSAFPID-205079",
            "CSAFPID-205080",
            "CSAFPID-205081",
            "CSAFPID-205082",
            "CSAFPID-205083",
            "CSAFPID-205084",
            "CSAFPID-205085",
            "CSAFPID-205086",
            "CSAFPID-205087",
            "CSAFPID-205088",
            "CSAFPID-205089",
            "CSAFPID-205090",
            "CSAFPID-205091",
            "CSAFPID-205092",
            "CSAFPID-205093",
            "CSAFPID-208194",
            "CSAFPID-208195",
            "CSAFPID-208580",
            "CSAFPID-208581",
            "CSAFPID-208582",
            "CSAFPID-208583",
            "CSAFPID-208867",
            "CSAFPID-210263",
            "CSAFPID-213569",
            "CSAFPID-213570",
            "CSAFPID-213571",
            "CSAFPID-213572",
            "CSAFPID-213573",
            "CSAFPID-220699",
            "CSAFPID-220700",
            "CSAFPID-220701",
            "CSAFPID-220702",
            "CSAFPID-220703",
            "CSAFPID-220704",
            "CSAFPID-220738",
            "CSAFPID-220739",
            "CSAFPID-220740",
            "CSAFPID-220741",
            "CSAFPID-220742",
            "CSAFPID-220743",
            "CSAFPID-220744",
            "CSAFPID-220745",
            "CSAFPID-220746",
            "CSAFPID-220747",
            "CSAFPID-220748",
            "CSAFPID-220749",
            "CSAFPID-220750",
            "CSAFPID-220751",
            "CSAFPID-224617",
            "CSAFPID-225659",
            "CSAFPID-227356",
            "CSAFPID-227357",
            "CSAFPID-230429",
            "CSAFPID-230433",
            "CSAFPID-230434",
            "CSAFPID-230435",
            "CSAFPID-230436",
            "CSAFPID-230437",
            "CSAFPID-230438",
            "CSAFPID-230439",
            "CSAFPID-230440",
            "CSAFPID-230441",
            "CSAFPID-230442",
            "CSAFPID-230446",
            "CSAFPID-230448",
            "CSAFPID-230527",
            "CSAFPID-230530",
            "CSAFPID-230531",
            "CSAFPID-230532",
            "CSAFPID-230534",
            "CSAFPID-230535",
            "CSAFPID-230536",
            "CSAFPID-230541",
            "CSAFPID-230542",
            "CSAFPID-230554",
            "CSAFPID-230567",
            "CSAFPID-230568",
            "CSAFPID-230569",
            "CSAFPID-239437",
            "CSAFPID-239439",
            "CSAFPID-239440",
            "CSAFPID-239441",
            "CSAFPID-239442",
            "CSAFPID-239445",
            "CSAFPID-239450",
            "CSAFPID-239451",
            "CSAFPID-239452",
            "CSAFPID-239453",
            "CSAFPID-239454",
            "CSAFPID-239455",
            "CSAFPID-239456",
            "CSAFPID-239457",
            "CSAFPID-239458",
            "CSAFPID-239459",
            "CSAFPID-239460",
            "CSAFPID-239472",
            "CSAFPID-239476",
            "CSAFPID-239478",
            "CSAFPID-239479",
            "CSAFPID-239480",
            "CSAFPID-239481",
            "CSAFPID-239482",
            "CSAFPID-239483",
            "CSAFPID-239484",
            "CSAFPID-239485",
            "CSAFPID-239486",
            "CSAFPID-239487",
            "CSAFPID-239488",
            "CSAFPID-239489",
            "CSAFPID-239490",
            "CSAFPID-239491",
            "CSAFPID-239492",
            "CSAFPID-239493",
            "CSAFPID-239494",
            "CSAFPID-239495",
            "CSAFPID-239496",
            "CSAFPID-239497",
            "CSAFPID-239498",
            "CSAFPID-239499",
            "CSAFPID-239500",
            "CSAFPID-239501",
            "CSAFPID-239502",
            "CSAFPID-239503",
            "CSAFPID-239504",
            "CSAFPID-239510",
            "CSAFPID-239513",
            "CSAFPID-239530",
            "CSAFPID-239531",
            "CSAFPID-239536",
            "CSAFPID-239537",
            "CSAFPID-239538",
            "CSAFPID-239539",
            "CSAFPID-239545",
            "CSAFPID-239546",
            "CSAFPID-239547",
            "CSAFPID-239548",
            "CSAFPID-239549",
            "CSAFPID-239550",
            "CSAFPID-239551",
            "CSAFPID-239552",
            "CSAFPID-239553",
            "CSAFPID-239554",
            "CSAFPID-239579",
            "CSAFPID-239580",
            "CSAFPID-239581",
            "CSAFPID-239582",
            "CSAFPID-239583",
            "CSAFPID-239584",
            "CSAFPID-239585",
            "CSAFPID-239586",
            "CSAFPID-239587",
            "CSAFPID-239588",
            "CSAFPID-239589",
            "CSAFPID-239590",
            "CSAFPID-239591",
            "CSAFPID-239592",
            "CSAFPID-239593",
            "CSAFPID-239594",
            "CSAFPID-239595",
            "CSAFPID-239596",
            "CSAFPID-239597",
            "CSAFPID-239598",
            "CSAFPID-239599",
            "CSAFPID-239600",
            "CSAFPID-239601",
            "CSAFPID-239602",
            "CSAFPID-239603",
            "CSAFPID-239604",
            "CSAFPID-239605",
            "CSAFPID-239606",
            "CSAFPID-239607",
            "CSAFPID-239608",
            "CSAFPID-239609",
            "CSAFPID-239610",
            "CSAFPID-239611",
            "CSAFPID-239612",
            "CSAFPID-239613",
            "CSAFPID-239614",
            "CSAFPID-239615",
            "CSAFPID-239616",
            "CSAFPID-239617",
            "CSAFPID-239618",
            "CSAFPID-239619",
            "CSAFPID-239620",
            "CSAFPID-239621",
            "CSAFPID-239622",
            "CSAFPID-239623",
            "CSAFPID-239624",
            "CSAFPID-239625",
            "CSAFPID-239626",
            "CSAFPID-239627",
            "CSAFPID-239628",
            "CSAFPID-239632",
            "CSAFPID-239633",
            "CSAFPID-239634",
            "CSAFPID-239635",
            "CSAFPID-239636",
            "CSAFPID-239805",
            "CSAFPID-239806",
            "CSAFPID-239807",
            "CSAFPID-240152",
            "CSAFPID-240153",
            "CSAFPID-240154",
            "CSAFPID-248858",
            "CSAFPID-256462",
            "CSAFPID-256463",
            "CSAFPID-256464",
            "CSAFPID-256466",
            "CSAFPID-256479",
            "CSAFPID-256488",
            "CSAFPID-256490",
            "CSAFPID-256505",
            "CSAFPID-256506",
            "CSAFPID-256507",
            "CSAFPID-256508",
            "CSAFPID-256509",
            "CSAFPID-256510",
            "CSAFPID-256511",
            "CSAFPID-256512",
            "CSAFPID-256513",
            "CSAFPID-256514",
            "CSAFPID-256515",
            "CSAFPID-256516",
            "CSAFPID-256517",
            "CSAFPID-256518",
            "CSAFPID-256519",
            "CSAFPID-256520",
            "CSAFPID-256521",
            "CSAFPID-256522",
            "CSAFPID-256523",
            "CSAFPID-256870",
            "CSAFPID-256871",
            "CSAFPID-256872",
            "CSAFPID-256873",
            "CSAFPID-256874",
            "CSAFPID-257400"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-191391",
            "CSAFPID-191392",
            "CSAFPID-191393",
            "CSAFPID-191447",
            "CSAFPID-191458",
            "CSAFPID-191466",
            "CSAFPID-191467",
            "CSAFPID-191468",
            "CSAFPID-191469",
            "CSAFPID-191470",
            "CSAFPID-191471",
            "CSAFPID-191472",
            "CSAFPID-191473",
            "CSAFPID-191474",
            "CSAFPID-191475",
            "CSAFPID-191476",
            "CSAFPID-191477",
            "CSAFPID-191478",
            "CSAFPID-191479",
            "CSAFPID-191480",
            "CSAFPID-191481",
            "CSAFPID-191482",
            "CSAFPID-191483",
            "CSAFPID-191484",
            "CSAFPID-191485",
            "CSAFPID-194693",
            "CSAFPID-194694",
            "CSAFPID-196609",
            "CSAFPID-196610",
            "CSAFPID-196613",
            "CSAFPID-196614",
            "CSAFPID-196615",
            "CSAFPID-196616",
            "CSAFPID-196617",
            "CSAFPID-201604",
            "CSAFPID-201605",
            "CSAFPID-201606",
            "CSAFPID-201607",
            "CSAFPID-202737",
            "CSAFPID-202738",
            "CSAFPID-203349",
            "CSAFPID-205071",
            "CSAFPID-205072",
            "CSAFPID-205073",
            "CSAFPID-205074",
            "CSAFPID-205075",
            "CSAFPID-205076",
            "CSAFPID-205077",
            "CSAFPID-205078",
            "CSAFPID-205079",
            "CSAFPID-205080",
            "CSAFPID-205081",
            "CSAFPID-205082",
            "CSAFPID-205083",
            "CSAFPID-205084",
            "CSAFPID-205085",
            "CSAFPID-205086",
            "CSAFPID-205087",
            "CSAFPID-205088",
            "CSAFPID-205089",
            "CSAFPID-205090",
            "CSAFPID-205091",
            "CSAFPID-205092",
            "CSAFPID-205093",
            "CSAFPID-208194",
            "CSAFPID-208195",
            "CSAFPID-208580",
            "CSAFPID-208581",
            "CSAFPID-208582",
            "CSAFPID-208583",
            "CSAFPID-208867",
            "CSAFPID-210263",
            "CSAFPID-213569",
            "CSAFPID-213570",
            "CSAFPID-213571",
            "CSAFPID-213572",
            "CSAFPID-213573",
            "CSAFPID-220699",
            "CSAFPID-220700",
            "CSAFPID-220701",
            "CSAFPID-220702",
            "CSAFPID-220703",
            "CSAFPID-220704",
            "CSAFPID-220738",
            "CSAFPID-220739",
            "CSAFPID-220740",
            "CSAFPID-220741",
            "CSAFPID-220742",
            "CSAFPID-220743",
            "CSAFPID-220744",
            "CSAFPID-220745",
            "CSAFPID-220746",
            "CSAFPID-220747",
            "CSAFPID-220748",
            "CSAFPID-220749",
            "CSAFPID-220750",
            "CSAFPID-220751",
            "CSAFPID-224617",
            "CSAFPID-225659",
            "CSAFPID-227356",
            "CSAFPID-227357",
            "CSAFPID-230429",
            "CSAFPID-230433",
            "CSAFPID-230434",
            "CSAFPID-230435",
            "CSAFPID-230436",
            "CSAFPID-230437",
            "CSAFPID-230438",
            "CSAFPID-230439",
            "CSAFPID-230440",
            "CSAFPID-230441",
            "CSAFPID-230442",
            "CSAFPID-230446",
            "CSAFPID-230448",
            "CSAFPID-230527",
            "CSAFPID-230530",
            "CSAFPID-230531",
            "CSAFPID-230532",
            "CSAFPID-230534",
            "CSAFPID-230535",
            "CSAFPID-230536",
            "CSAFPID-230541",
            "CSAFPID-230542",
            "CSAFPID-230554",
            "CSAFPID-230567",
            "CSAFPID-230568",
            "CSAFPID-230569",
            "CSAFPID-239437",
            "CSAFPID-239439",
            "CSAFPID-239440",
            "CSAFPID-239441",
            "CSAFPID-239442",
            "CSAFPID-239445",
            "CSAFPID-239450",
            "CSAFPID-239451",
            "CSAFPID-239452",
            "CSAFPID-239453",
            "CSAFPID-239454",
            "CSAFPID-239455",
            "CSAFPID-239456",
            "CSAFPID-239457",
            "CSAFPID-239458",
            "CSAFPID-239459",
            "CSAFPID-239460",
            "CSAFPID-239472",
            "CSAFPID-239476",
            "CSAFPID-239478",
            "CSAFPID-239479",
            "CSAFPID-239480",
            "CSAFPID-239481",
            "CSAFPID-239482",
            "CSAFPID-239483",
            "CSAFPID-239484",
            "CSAFPID-239485",
            "CSAFPID-239486",
            "CSAFPID-239487",
            "CSAFPID-239488",
            "CSAFPID-239489",
            "CSAFPID-239490",
            "CSAFPID-239491",
            "CSAFPID-239492",
            "CSAFPID-239493",
            "CSAFPID-239494",
            "CSAFPID-239495",
            "CSAFPID-239496",
            "CSAFPID-239497",
            "CSAFPID-239498",
            "CSAFPID-239499",
            "CSAFPID-239500",
            "CSAFPID-239501",
            "CSAFPID-239502",
            "CSAFPID-239503",
            "CSAFPID-239504",
            "CSAFPID-239510",
            "CSAFPID-239513",
            "CSAFPID-239530",
            "CSAFPID-239531",
            "CSAFPID-239536",
            "CSAFPID-239537",
            "CSAFPID-239538",
            "CSAFPID-239539",
            "CSAFPID-239545",
            "CSAFPID-239546",
            "CSAFPID-239547",
            "CSAFPID-239548",
            "CSAFPID-239549",
            "CSAFPID-239550",
            "CSAFPID-239551",
            "CSAFPID-239552",
            "CSAFPID-239553",
            "CSAFPID-239554",
            "CSAFPID-239579",
            "CSAFPID-239580",
            "CSAFPID-239581",
            "CSAFPID-239582",
            "CSAFPID-239583",
            "CSAFPID-239584",
            "CSAFPID-239585",
            "CSAFPID-239586",
            "CSAFPID-239587",
            "CSAFPID-239588",
            "CSAFPID-239589",
            "CSAFPID-239590",
            "CSAFPID-239591",
            "CSAFPID-239592",
            "CSAFPID-239593",
            "CSAFPID-239594",
            "CSAFPID-239595",
            "CSAFPID-239596",
            "CSAFPID-239597",
            "CSAFPID-239598",
            "CSAFPID-239599",
            "CSAFPID-239600",
            "CSAFPID-239601",
            "CSAFPID-239602",
            "CSAFPID-239603",
            "CSAFPID-239604",
            "CSAFPID-239605",
            "CSAFPID-239606",
            "CSAFPID-239607",
            "CSAFPID-239608",
            "CSAFPID-239609",
            "CSAFPID-239610",
            "CSAFPID-239611",
            "CSAFPID-239612",
            "CSAFPID-239613",
            "CSAFPID-239614",
            "CSAFPID-239615",
            "CSAFPID-239616",
            "CSAFPID-239617",
            "CSAFPID-239618",
            "CSAFPID-239619",
            "CSAFPID-239620",
            "CSAFPID-239621",
            "CSAFPID-239622",
            "CSAFPID-239623",
            "CSAFPID-239624",
            "CSAFPID-239625",
            "CSAFPID-239626",
            "CSAFPID-239627",
            "CSAFPID-239628",
            "CSAFPID-239632",
            "CSAFPID-239633",
            "CSAFPID-239634",
            "CSAFPID-239635",
            "CSAFPID-239636",
            "CSAFPID-239805",
            "CSAFPID-239806",
            "CSAFPID-239807",
            "CSAFPID-240152",
            "CSAFPID-240153",
            "CSAFPID-240154",
            "CSAFPID-248858",
            "CSAFPID-256462",
            "CSAFPID-256463",
            "CSAFPID-256464",
            "CSAFPID-256466",
            "CSAFPID-256479",
            "CSAFPID-256488",
            "CSAFPID-256490",
            "CSAFPID-256505",
            "CSAFPID-256506",
            "CSAFPID-256507",
            "CSAFPID-256508",
            "CSAFPID-256509",
            "CSAFPID-256510",
            "CSAFPID-256511",
            "CSAFPID-256512",
            "CSAFPID-256513",
            "CSAFPID-256514",
            "CSAFPID-256515",
            "CSAFPID-256516",
            "CSAFPID-256517",
            "CSAFPID-256518",
            "CSAFPID-256519",
            "CSAFPID-256520",
            "CSAFPID-256521",
            "CSAFPID-256522",
            "CSAFPID-256523",
            "CSAFPID-256870",
            "CSAFPID-256871",
            "CSAFPID-256872",
            "CSAFPID-256873",
            "CSAFPID-256874",
            "CSAFPID-257400",
            "CSAFPID-112776"
          ]
        }
      ],
      "title": "Cisco NX-OS Software Cisco Fabric Services Denial of Service Vulnerability"
    }
  ]
}

gsd-2019-1616

Vulnerability from gsd

Modified

2023-12-13 01:23

Details

Aliases

CVE-2019-1616

Aliases

CVE-2019-1616

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2019-1616",
    "description": "A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a buffer overflow, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in process crashes and a DoS condition on the device. MDS 9000 Series Multilayer Switches are affected running software versions prior to 6.2(25), 8.1(1b), 8.3(1). Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected running software versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected running software versions prior to 7.0(3)F3(5) Nexus 7000 and 7700 Series Switches are affected running software versions prior to 6.2(22) and 8.2(3). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5). UCS 6200, 6300, and 6400 Fabric Interconnects are affected running software versions prior to 3.2(3j) and 4.0(2a).",
    "id": "GSD-2019-1616"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-1616"
      ],
      "details": "A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a buffer overflow, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in process crashes and a DoS condition on the device. MDS 9000 Series Multilayer Switches are affected running software versions prior to 6.2(25), 8.1(1b), 8.3(1). Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected running software versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected running software versions prior to 7.0(3)F3(5) Nexus 7000 and 7700 Series Switches are affected running software versions prior to 6.2(22) and 8.2(3). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5). UCS 6200, 6300, and 6400 Fabric Interconnects are affected running software versions prior to 3.2(3j) and 4.0(2a).",
      "id": "GSD-2019-1616",
      "modified": "2023-12-13T01:23:52.161512Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "psirt@cisco.com",
        "DATE_PUBLIC": "2019-03-06T16:00:00-0800",
        "ID": "CVE-2019-1616",
        "STATE": "PUBLIC",
        "TITLE": "Cisco NX-OS Software Cisco Fabric Services Denial of Service Vulnerability"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "MDS 9000 Series Multilayer Switches ",
                    "version": {
                      "version_data": [
                        {
                          "affected": "\u003c",
                          "version_value": "6.2(25)"
                        },
                        {
                          "affected": "\u003c",
                          "version_value": "8.1(1b)"
                        },
                        {
                          "affected": "\u003c",
                          "version_value": "8.3(1)"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Nexus 3000 Series Switches",
                    "version": {
                      "version_data": [
                        {
                          "affected": "\u003c",
                          "version_value": "7.0(3)I4(9)"
                        },
                        {
                          "affected": "\u003c",
                          "version_value": "7.0(3)I7(4)"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Nexus 3500 Platform Switches",
                    "version": {
                      "version_data": [
                        {
                          "affected": "\u003c",
                          "version_value": "6.0(2)A8(10)"
                        },
                        {
                          "affected": "\u003c",
                          "version_value": "7.0(3)I7(4)"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Nexus 3600 Platform Switches",
                    "version": {
                      "version_data": [
                        {
                          "affected": "\u003c",
                          "version_value": "7.0(3)F3(5)"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Nexus 7000 and 7700 Series Switches",
                    "version": {
                      "version_data": [
                        {
                          "affected": "\u003c",
                          "version_value": "6.2(22)"
                        },
                        {
                          "affected": "\u003c",
                          "version_value": "8.2(3)"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Nexus 9000 Series Switches in Standalone NX-OS Mode",
                    "version": {
                      "version_data": [
                        {
                          "affected": "\u003c",
                          "version_value": "7.0(3)I4(9)"
                        },
                        {
                          "affected": "\u003c",
                          "version_value": "7.0(3)I7(4)"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Nexus 9500 R-Series Line Cards and Fabric Modules",
                    "version": {
                      "version_data": [
                        {
                          "affected": "\u003c",
                          "version_value": "7.0(3)F3(5)"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "UCS 6200, 6300, and 6400 Fabric Interconnects",
                    "version": {
                      "version_data": [
                        {
                          "affected": "\u003c",
                          "version_value": "3.2(3j)"
                        },
                        {
                          "affected": "\u003c",
                          "version_value": "4.0(2a)"
                        }
                      ]
                    }
                  }
                ]
              },
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      "lastModifiedDate": "2019-10-09T23:47Z",
      "publishedDate": "2019-03-11T21:29Z"
    }
  }
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2019-1616

Vulnerability from cvelistv5

var-201903-0557

Vulnerability from variot

ghsa-qfp2-rcgq-9rpw

Vulnerability from github

cisco-sa-20190306-nxos-fabric-dos

Vulnerability from csaf_cisco

gsd-2019-1616

Vulnerability from gsd

Tags

Sightings

Nomenclature