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CVE-2022-20697 (GCVE-0-2022-20697)
Vulnerability from cvelistv5
Published
2022-04-15 14:15
Modified
2024-11-06 16:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
References
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CERTFR-2022-AVI-338
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans les produits Cisco. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service à distance et un contournement de la politique de sécurité.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs et des mesures de contournement (cf. section Documentation).
NoneImpacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Cisco | IOS | Cisco IOS avec une configuration HTTP Server spécifique décrite dans l'avis de sécurité de l'éditeur | ||
| Cisco | N/A | Cisco Wireless LAN Controller versions 8.10.151.0 et suivantes antérieures à 8.10.171.0 | ||
| Cisco | IOS | Cisco logiciel IOS versions 15.2(7)E.x antérieures à 15.2(7)E5 | ||
| Cisco | IOS | Cisco logiciel IOS versions 15.2(8)E.x antérieures à 15.2(8)E1 | ||
| Cisco | N/A | Cisco gamme de commutateurs Catalyst 9400 | ||
| Cisco | N/A | Cisco SD-WAN versions 20.7.x antérieures à 20.7.1 | ||
| Cisco | N/A | Cisco 1000 Series Integrated Services Routers | ||
| Cisco | N/A | Cisco Embedded Wireless Controller avec le logiciel Catalyst Access Points versions 17.3.x antérieures à 17.3.4 | ||
| Cisco | N/A | Cisco 4000 Series Integrated Services Routers | ||
| Cisco | IOS XR | Cisco IOS XR versions 7.3.x antérieures à 7.3.2 | ||
| Cisco | IOS XE | Cisco IOS XE entre les séries de versions 3SE et 3E | ||
| Cisco | IOS XR | Cisco IOS XR versions 7.1.2 sans le SMU asr9k-x64-7.1.2.CSCvy48962 ou le service pack asr9k-px-7.1.2.k9-sp1.tar | ||
| Cisco | N/A | Cisco gamme de commutateurs Catalyst 9300 | ||
| Cisco | N/A | Cisco Embedded Wireless Controller avec le logiciel Catalyst Access Points versions 17.6.x antérieures à 17.6.1 | ||
| Cisco | N/A | Cisco gamme de routeurs Catalyst 8300 | ||
| Cisco | N/A | Cisco Catalyst 9800 Series Wireless Controllers | ||
| Cisco | N/A | Cisco 1000 Series Connected Grid Router (CGR1K) | ||
| Cisco | N/A | Cisco Cloud Services Router 1000V Series | ||
| Cisco | N/A | Cisco Catalyst 9800 Embedded Wireless Controllers pour la gamme de commutateurs Catalyst 9300, 9400 et 9500 | ||
| Cisco | N/A | Cisco routeurs ASR 1001-X | ||
| Cisco | N/A | Cisco gamme de commutateurs Catalyst 9500 | ||
| Cisco | N/A | Cisco routeurs ASR 1002-X | ||
| Cisco | IOS XE | Cisco IOS XE versions antérieures à 17.3.1 | ||
| Cisco | N/A | Cisco Embedded Wireless Controllers sur Catalyst Access Points | ||
| Cisco | N/A | Cisco logiciel Catalyst 8000V Edge | ||
| Cisco | N/A | Cisco Catalyst 9800-CL Wireless Controllers pour le Cloud | ||
| Cisco | N/A | Cisco gamme de routeurs Catalyst 8500 | ||
| Cisco | IOS XR | Cisco IOS XR versions 7.1.3 sans le SMU asr9k-x64-7.1.3.CSCvz75757 | ||
| Cisco | N/A | Cisco SD-WAN versions 20.6.x antérieures à 20.6.1 |
References
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Cisco IOS avec une configuration HTTP Server sp\u00e9cifique d\u00e9crite dans l\u0027avis de s\u00e9curit\u00e9 de l\u0027\u00e9diteur",
"product": {
"name": "IOS",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco Wireless LAN Controller versions 8.10.151.0 et suivantes ant\u00e9rieures \u00e0 8.10.171.0",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco logiciel IOS versions 15.2(7)E.x ant\u00e9rieures \u00e0 15.2(7)E5",
"product": {
"name": "IOS",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco logiciel IOS versions 15.2(8)E.x ant\u00e9rieures \u00e0 15.2(8)E1",
"product": {
"name": "IOS",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco gamme de commutateurs Catalyst 9400",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco SD-WAN versions 20.7.x ant\u00e9rieures \u00e0 20.7.1",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco 1000 Series Integrated Services Routers",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco Embedded Wireless Controller avec le logiciel Catalyst Access Points versions 17.3.x ant\u00e9rieures \u00e0 17.3.4",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco 4000 Series Integrated Services Routers",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco IOS XR versions 7.3.x ant\u00e9rieures \u00e0 7.3.2",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco IOS XE entre les s\u00e9ries de versions 3SE et 3E",
"product": {
"name": "IOS XE",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco IOS XR versions 7.1.2 sans le SMU asr9k-x64-7.1.2.CSCvy48962 ou le service pack asr9k-px-7.1.2.k9-sp1.tar",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco gamme de commutateurs Catalyst 9300",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco Embedded Wireless Controller avec le logiciel Catalyst Access Points versions 17.6.x ant\u00e9rieures \u00e0 17.6.1",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco gamme de routeurs Catalyst 8300",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco Catalyst 9800 Series Wireless Controllers",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco 1000 Series Connected Grid Router (CGR1K)",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco Cloud Services Router 1000V Series",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco Catalyst 9800 Embedded Wireless Controllers pour la gamme de commutateurs Catalyst 9300, 9400 et 9500",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco routeurs ASR 1001-X",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco gamme de commutateurs Catalyst 9500",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco routeurs ASR 1002-X",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco IOS XE versions ant\u00e9rieures \u00e0 17.3.1",
"product": {
"name": "IOS XE",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco Embedded Wireless Controllers sur Catalyst Access Points",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco logiciel Catalyst 8000V Edge",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco Catalyst 9800-CL Wireless Controllers pour le Cloud",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco gamme de routeurs Catalyst 8500",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco IOS XR versions 7.1.3 sans le SMU asr9k-x64-7.1.3.CSCvz75757",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco SD-WAN versions 20.6.x ant\u00e9rieures \u00e0 20.6.1",
"product": {
"name": "N/A",
"vendor": {
"name": "Cisco",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs et des mesures de contournement (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2022-20683",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20683"
},
{
"name": "CVE-2022-20739",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20739"
},
{
"name": "CVE-2022-20716",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20716"
},
{
"name": "CVE-2022-20761",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20761"
},
{
"name": "CVE-2022-20678",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20678"
},
{
"name": "CVE-2022-20681",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20681"
},
{
"name": "CVE-2022-20731",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20731"
},
{
"name": "CVE-2022-20695",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20695"
},
{
"name": "CVE-2022-20684",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20684"
},
{
"name": "CVE-2022-20692",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20692"
},
{
"name": "CVE-2022-20622",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20622"
},
{
"name": "CVE-2022-20697",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20697"
},
{
"name": "CVE-2022-20661",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20661"
},
{
"name": "CVE-2022-20714",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20714"
},
{
"name": "CVE-2022-20682",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-20682"
}
],
"initial_release_date": "2022-04-14T00:00:00",
"last_revision_date": "2022-04-14T00:00:00",
"links": [],
"reference": "CERTFR-2022-AVI-338",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2022-04-14T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Cisco.\nCertaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une\nex\u00e9cution de code arbitraire, un d\u00e9ni de service \u00e0 distance et un\ncontournement de la politique de s\u00e9curit\u00e9.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Cisco",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-c9800-snmp-trap-dos-mjent3Ey du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-snmp-trap-dos-mjent3Ey"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-ewlc-priv-esc-ybvHKO5 du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-priv-esc-ybvHKO5"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-ncossh-dos-ZAkfOdq8 du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ncossh-dos-ZAkfOdq8"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-c9800-fnf-dos-bOL5vLge du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-fnf-dos-bOL5vLge"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-cdb-cmicr-vulns-KJjFtNb du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-sdwan-privesc-vman-tEJFpBSL du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-vman-tEJFpBSL"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-lsplus-Z6AQEOjk du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lsplus-Z6AQEOjk"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-c9800-capwap-mdns-6PSn7gKU du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-capwap-mdns-6PSn7gKU"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-sd-wan-file-access-VW36d28P du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-file-access-VW36d28P"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-ap-ip-flood-dos-6hxxENVQ du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-ip-flood-dos-6hxxENVQ"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-wlc-auth-bypass-JRNhV4fF du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-auth-bypass-JRNhV4fF"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-appnav-xe-dos-j5MXTR4 du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-appnav-xe-dos-j5MXTR4"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-http-dos-svOdkdBS du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-dos-svOdkdBS"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-cgr1k-ap-dos-mSZR4QVh du 13 avril 2022",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cgr1k-ap-dos-mSZR4QVh"
}
]
}
var-202204-0278
Vulnerability from variot
A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition
Show details on source website{
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cisco-sa-http-dos-svOdkdBS
Vulnerability from csaf_cisco
Published
2022-04-13 16:00
Modified
2022-04-13 16:00
Summary
Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability
Notes
Summary
A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition.
This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is part of the April 2022 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: April 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74561"]
Vulnerable Products
This vulnerability affects Cisco devices if they are running a vulnerable release of Cisco IOS Software or Cisco IOS XE Software and have the HTTP feature enabled. All vulnerable releases of Cisco IOS XE Software are within the 3SE and 3E release trains.
For more information about which Cisco software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory.
Determine the HTTP Server Configuration
To determine whether the HTTP Server feature is enabled for a device, log in to the device and use the show running-config | include ip http server|secure|active command in the CLI to check for the presence of the ip http server command or the ip http secure-server command in the global configuration. If either command is present, the HTTP Server feature is enabled for the device.
The following example shows the output of the show running-config | include ip http server|secure|active command for a device that has the HTTP Server feature enabled:
Router# show running-config | include ip http server|secure|active
ip http server
ip http secure-server
Note: The presence of either command or both commands in the device configuration indicates that the web UI feature is enabled.
If the ip http server command is present and the configuration also contains ip http active-session-modules none, the vulnerability is not exploitable over HTTP.
If the ip http secure-server command is present and the configuration also contains ip http secure-active-session-modules none, the vulnerability is not exploitable over HTTPS.
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:
IOS XR Software
Meraki products
NX-OS Software
Workarounds
There are no workarounds that address this vulnerability. However, there are mitigations.
Disabling the HTTP Server feature eliminates the attack vector for this vulnerability and may be a suitable mitigation until affected devices can be upgraded. To disable the HTTP Server feature, use the no ip http server or no ip http secure-server command in global configuration mode. If both the HTTP server and HTTPS server are in use, both commands are required to disable the HTTP Server feature.
Disabling HTTP and HTTPS for management functions can also be a suitable mitigation. Use the ip http active-session-modules none and ip http secure-active-session-modules none commands.
While these mitigations have been deployed and were proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.
Fixed Software
Cisco has released free software updates ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.
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.
The Cisco Support and Downloads page ["https://www.cisco.com/c/en/us/support/index.html"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool.
When considering software upgrades ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories 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.
Cisco IOS and IOS XE Software
To help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] to identify any Cisco Security Advisories that impact a specific software release and the earliest release that fixes the vulnerabilities described in each advisory (“First Fixed”). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (“Combined First Fixed”).
Customers can use the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] to search advisories in the following ways:
Choose the software and one or more releases
Upload a .txt file that includes a list of specific releases
Enter the output of the show version command
After initiating a search, customers can customize the search to include all Cisco Security Advisories, a specific advisory, or all advisories in the most recent bundled publication.
Customers can also use the following form to determine whether a release is affected by any Cisco Security Advisory by entering a Cisco IOS or IOS XE Software release—for example, 15.1(4)M2 or 3.13.8S:
By default, the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] includes results only for vulnerabilities that have a Critical or High Security Impact Rating (SIR). To include results for Medium SIR vulnerabilities, customers can use the Cisco Software Checker on Cisco.com and check the Medium check box in the drop-down list under Impact Rating when customizing a search.
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.
{
"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 web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition.\r\n\r\nThis vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n\r\n\r\nThis advisory is part of the April 2022 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: April 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. [\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74561\"]",
"title": "Summary"
},
{
"category": "general",
"text": "This vulnerability affects Cisco devices if they are running a vulnerable release of Cisco IOS Software or Cisco IOS XE Software and have the HTTP feature enabled. All vulnerable releases of Cisco IOS XE Software are within the 3SE and 3E release trains.\r\n\r\nFor more information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n Determine the HTTP Server Configuration\r\nTo determine whether the HTTP Server feature is enabled for a device, log in to the device and use the show running-config | include ip http server|secure|active command in the CLI to check for the presence of the ip http server command or the ip http secure-server command in the global configuration. If either command is present, the HTTP Server feature is enabled for the device.\r\n\r\nThe following example shows the output of the show running-config | include ip http server|secure|active command for a device that has the HTTP Server feature enabled:\r\n\r\n\r\nRouter# show running-config | include ip http server|secure|active\r\nip http server\r\nip http secure-server\r\n\r\nNote: The presence of either command or both commands in the device configuration indicates that the web UI feature is enabled.\r\n\r\nIf the ip http server command is present and the configuration also contains ip http active-session-modules none, the vulnerability is not exploitable over HTTP.\r\n\r\nIf the ip http secure-server command is present and the configuration also contains ip http secure-active-session-modules none, the vulnerability is not exploitable over HTTPS.",
"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\nIOS XR Software\r\nMeraki products\r\nNX-OS Software",
"title": "Products Confirmed Not Vulnerable"
},
{
"category": "general",
"text": "There are no workarounds that address this vulnerability. However, there are mitigations.\r\n\r\nDisabling the HTTP Server feature eliminates the attack vector for this vulnerability and may be a suitable mitigation until affected devices can be upgraded. To disable the HTTP Server feature, use the no ip http server or no ip http secure-server command in global configuration mode. If both the HTTP server and HTTPS server are in use, both commands are required to disable the HTTP Server feature.\r\n\r\nDisabling HTTP and HTTPS for management functions can also be a suitable mitigation. Use the ip http active-session-modules none and ip http secure-active-session-modules none commands.\r\n\r\nWhile these mitigations have been deployed and were proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.",
"title": "Workarounds"
},
{
"category": "general",
"text": "Cisco has released free software updates [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu\"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.\r\n\r\nCustomers 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\nThe Cisco Support and Downloads page [\"https://www.cisco.com/c/en/us/support/index.html\"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories 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 Customers Without Service Contracts\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: 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\"]\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 Cisco IOS and IOS XE Software\r\nTo help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] to identify any Cisco Security Advisories that impact a specific software release and the earliest release that fixes the vulnerabilities described in each advisory (\u201cFirst Fixed\u201d). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (\u201cCombined First Fixed\u201d).\r\n\r\nCustomers can use the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] to search advisories in the following ways:\r\n\r\nChoose the software and one or more releases\r\nUpload a .txt file that includes a list of specific releases\r\nEnter the output of the show version command\r\n\r\nAfter initiating a search, customers can customize the search to include all Cisco Security Advisories, a specific advisory, or all advisories in the most recent bundled publication.\r\n\r\nCustomers can also use the following form to determine whether a release is affected by any Cisco Security Advisory by entering a Cisco IOS or IOS XE Software release\u2014for example, 15.1(4)M2 or 3.13.8S:\r\n\r\n\r\n\r\nBy default, the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] includes results only for vulnerabilities that have a Critical or High Security Impact Rating (SIR). To include results for Medium SIR vulnerabilities, customers can use the Cisco Software Checker on Cisco.com and check the Medium check box in the drop-down list under Impact Rating when customizing a search.",
"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": "psirt@cisco.com",
"issuing_authority": "Cisco PSIRT",
"name": "Cisco",
"namespace": "https://wwww.cisco.com"
},
"references": [
{
"category": "self",
"summary": "Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-dos-svOdkdBS"
},
{
"category": "external",
"summary": "Cisco Event Response: April 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication",
"url": "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74561"
},
{
"category": "external",
"summary": "Cisco Security Vulnerability Policy",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
},
{
"category": "external",
"summary": "free software updates",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"
},
{
"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\u0026nbsp;Support and Downloads page",
"url": "https://www.cisco.com/c/en/us/support/index.html"
},
{
"category": "external",
"summary": "considering software upgrades",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
},
{
"category": "external",
"summary": "Cisco\u0026nbsp;Security Advisories 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": "Cisco\u0026nbsp;Software Checker",
"url": "https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"
}
],
"title": "Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability",
"tracking": {
"current_release_date": "2022-04-13T16:00:00+00:00",
"generator": {
"date": "2024-05-10T23:14:02+00:00",
"engine": {
"name": "TVCE"
}
},
"id": "cisco-sa-http-dos-svOdkdBS",
"initial_release_date": "2022-04-13T16:00:00+00:00",
"revision_history": [
{
"date": "2022-04-13T15:41:12+00:00",
"number": "1.0.0",
"summary": "Initial public release."
}
],
"status": "final",
"version": "1.0.0"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"branches": [
{
"category": "service_pack",
"name": "15.2(7)E3",
"product": {
"name": "15.2(7)E3",
"product_id": "CSAFPID-271631"
}
},
{
"category": "service_pack",
"name": "15.2(7)E4",
"product": {
"name": "15.2(7)E4",
"product_id": "CSAFPID-278803"
}
},
{
"category": "service_pack",
"name": "15.2(7)E3k",
"product": {
"name": "15.2(7)E3k",
"product_id": "CSAFPID-280771"
}
},
{
"category": "service_pack",
"name": "15.2(8)E",
"product": {
"name": "15.2(8)E",
"product_id": "CSAFPID-280857"
}
}
],
"category": "product_version",
"name": "15.2E"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.9(3)M2",
"product": {
"name": "15.9(3)M2",
"product_id": "CSAFPID-274204"
}
},
{
"category": "service_pack",
"name": "15.9(3)M3",
"product": {
"name": "15.9(3)M3",
"product_id": "CSAFPID-279111"
}
},
{
"category": "service_pack",
"name": "15.9(3)M2a",
"product": {
"name": "15.9(3)M2a",
"product_id": "CSAFPID-279383"
}
},
{
"category": "service_pack",
"name": "15.9(3)M3a",
"product": {
"name": "15.9(3)M3a",
"product_id": "CSAFPID-281319"
}
},
{
"category": "service_pack",
"name": "15.9(3)M4",
"product": {
"name": "15.9(3)M4",
"product_id": "CSAFPID-281499"
}
},
{
"category": "service_pack",
"name": "15.9(3)M3b",
"product": {
"name": "15.9(3)M3b",
"product_id": "CSAFPID-282118"
}
}
],
"category": "product_version",
"name": "15.9M"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.1(3)SVR1",
"product": {
"name": "15.1(3)SVR1",
"product_id": "CSAFPID-277230"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVR2",
"product": {
"name": "15.1(3)SVR2",
"product_id": "CSAFPID-277253"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVR3",
"product": {
"name": "15.1(3)SVR3",
"product_id": "CSAFPID-279337"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVR10",
"product": {
"name": "15.1(3)SVR10",
"product_id": "CSAFPID-290618"
}
}
],
"category": "product_version",
"name": "15.1SVR"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.3(3)JPJ8",
"product": {
"name": "15.3(3)JPJ8",
"product_id": "CSAFPID-286350"
}
}
],
"category": "product_version",
"name": "15.3JPJ"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.1(3)SVS",
"product": {
"name": "15.1(3)SVS",
"product_id": "CSAFPID-277232"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVS1",
"product": {
"name": "15.1(3)SVS1",
"product_id": "CSAFPID-279335"
}
}
],
"category": "product_version",
"name": "15.1SVS"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.1(3)SVT1",
"product": {
"name": "15.1(3)SVT1",
"product_id": "CSAFPID-280759"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVT2",
"product": {
"name": "15.1(3)SVT2",
"product_id": "CSAFPID-282026"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVT3",
"product": {
"name": "15.1(3)SVT3",
"product_id": "CSAFPID-284785"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVT4",
"product": {
"name": "15.1(3)SVT4",
"product_id": "CSAFPID-286399"
}
}
],
"category": "product_version",
"name": "15.1SVT"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.1(3)SVU1",
"product": {
"name": "15.1(3)SVU1",
"product_id": "CSAFPID-283833"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVU10",
"product": {
"name": "15.1(3)SVU10",
"product_id": "CSAFPID-284291"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVU2",
"product": {
"name": "15.1(3)SVU2",
"product_id": "CSAFPID-284566"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVU11",
"product": {
"name": "15.1(3)SVU11",
"product_id": "CSAFPID-286400"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVU20",
"product": {
"name": "15.1(3)SVU20",
"product_id": "CSAFPID-289270"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVU21",
"product": {
"name": "15.1(3)SVU21",
"product_id": "CSAFPID-290557"
}
}
],
"category": "product_version",
"name": "15.1SVU"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.1(3)SVV1",
"product": {
"name": "15.1(3)SVV1",
"product_id": "CSAFPID-284341"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVV2",
"product": {
"name": "15.1(3)SVV2",
"product_id": "CSAFPID-286029"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVV3",
"product": {
"name": "15.1(3)SVV3",
"product_id": "CSAFPID-286940"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVV4",
"product": {
"name": "15.1(3)SVV4",
"product_id": "CSAFPID-289371"
}
}
],
"category": "product_version",
"name": "15.1SVV"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.1(3)SVW",
"product": {
"name": "15.1(3)SVW",
"product_id": "CSAFPID-286451"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVW1",
"product": {
"name": "15.1(3)SVW1",
"product_id": "CSAFPID-286844"
}
}
],
"category": "product_version",
"name": "15.1SVW"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.1(3)SVX",
"product": {
"name": "15.1(3)SVX",
"product_id": "CSAFPID-286927"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVX1",
"product": {
"name": "15.1(3)SVX1",
"product_id": "CSAFPID-289301"
}
}
],
"category": "product_version",
"name": "15.1SVX"
}
],
"category": "product_family",
"name": "IOS"
},
{
"branches": [
{
"branches": [
{
"category": "service_pack",
"name": "3.11.3E",
"product": {
"name": "3.11.3E",
"product_id": "CSAFPID-271632"
}
},
{
"category": "service_pack",
"name": "3.11.4E",
"product": {
"name": "3.11.4E",
"product_id": "CSAFPID-279684"
}
},
{
"category": "service_pack",
"name": "3.11.3aE",
"product": {
"name": "3.11.3aE",
"product_id": "CSAFPID-280217"
}
}
],
"category": "product_version",
"name": "3.11E"
}
],
"category": "product_family",
"name": "Cisco IOS XE Software"
}
],
"category": "vendor",
"name": "Cisco"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2022-20697",
"ids": [
{
"system_name": "Cisco Bug ID",
"text": "CSCvx42406"
}
],
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-271631",
"CSAFPID-274204",
"CSAFPID-277230",
"CSAFPID-277232",
"CSAFPID-277253",
"CSAFPID-278803",
"CSAFPID-279111",
"CSAFPID-279335",
"CSAFPID-279337",
"CSAFPID-279383",
"CSAFPID-280759",
"CSAFPID-280771",
"CSAFPID-280857",
"CSAFPID-281319",
"CSAFPID-281499",
"CSAFPID-282026",
"CSAFPID-282118",
"CSAFPID-283833",
"CSAFPID-284291",
"CSAFPID-284341",
"CSAFPID-284566",
"CSAFPID-284785",
"CSAFPID-286029",
"CSAFPID-286350",
"CSAFPID-286399",
"CSAFPID-286400",
"CSAFPID-286451",
"CSAFPID-286844",
"CSAFPID-286927",
"CSAFPID-286940",
"CSAFPID-289270",
"CSAFPID-289301",
"CSAFPID-289371",
"CSAFPID-290557",
"CSAFPID-290618",
"CSAFPID-271632",
"CSAFPID-279684",
"CSAFPID-280217"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
"product_ids": [
"CSAFPID-271632",
"CSAFPID-279684",
"CSAFPID-280217",
"CSAFPID-271631",
"CSAFPID-274204",
"CSAFPID-277230",
"CSAFPID-277232",
"CSAFPID-277253",
"CSAFPID-278803",
"CSAFPID-279111",
"CSAFPID-279335",
"CSAFPID-279337",
"CSAFPID-279383",
"CSAFPID-280759",
"CSAFPID-280771",
"CSAFPID-280857",
"CSAFPID-281319",
"CSAFPID-281499",
"CSAFPID-282026",
"CSAFPID-282118",
"CSAFPID-283833",
"CSAFPID-284291",
"CSAFPID-284341",
"CSAFPID-284566",
"CSAFPID-284785",
"CSAFPID-286029",
"CSAFPID-286350",
"CSAFPID-286399",
"CSAFPID-286400",
"CSAFPID-286451",
"CSAFPID-286844",
"CSAFPID-286927",
"CSAFPID-286940",
"CSAFPID-289270",
"CSAFPID-289301",
"CSAFPID-289371",
"CSAFPID-290557",
"CSAFPID-290618"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.6,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"CSAFPID-271631",
"CSAFPID-274204",
"CSAFPID-277230",
"CSAFPID-277232",
"CSAFPID-277253",
"CSAFPID-278803",
"CSAFPID-279111",
"CSAFPID-279335",
"CSAFPID-279337",
"CSAFPID-279383",
"CSAFPID-280759",
"CSAFPID-280771",
"CSAFPID-280857",
"CSAFPID-281319",
"CSAFPID-281499",
"CSAFPID-282026",
"CSAFPID-282118",
"CSAFPID-283833",
"CSAFPID-284291",
"CSAFPID-284341",
"CSAFPID-284566",
"CSAFPID-284785",
"CSAFPID-286029",
"CSAFPID-286350",
"CSAFPID-286399",
"CSAFPID-286400",
"CSAFPID-286451",
"CSAFPID-286844",
"CSAFPID-286927",
"CSAFPID-286940",
"CSAFPID-289270",
"CSAFPID-289301",
"CSAFPID-289371",
"CSAFPID-290557",
"CSAFPID-290618",
"CSAFPID-271632",
"CSAFPID-279684",
"CSAFPID-280217"
]
}
],
"title": "Cisco IOS software Web Services Denial of Service Vulnerabilities "
}
]
}
cisco-sa-http-dos-svodkdbs
Vulnerability from csaf_cisco
Published
2022-04-13 16:00
Modified
2022-04-13 16:00
Summary
Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability
Notes
Summary
A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition.
This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is part of the April 2022 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: April 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74561"]
Vulnerable Products
This vulnerability affects Cisco devices if they are running a vulnerable release of Cisco IOS Software or Cisco IOS XE Software and have the HTTP feature enabled. All vulnerable releases of Cisco IOS XE Software are within the 3SE and 3E release trains.
For more information about which Cisco software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory.
Determine the HTTP Server Configuration
To determine whether the HTTP Server feature is enabled for a device, log in to the device and use the show running-config | include ip http server|secure|active command in the CLI to check for the presence of the ip http server command or the ip http secure-server command in the global configuration. If either command is present, the HTTP Server feature is enabled for the device.
The following example shows the output of the show running-config | include ip http server|secure|active command for a device that has the HTTP Server feature enabled:
Router# show running-config | include ip http server|secure|active
ip http server
ip http secure-server
Note: The presence of either command or both commands in the device configuration indicates that the web UI feature is enabled.
If the ip http server command is present and the configuration also contains ip http active-session-modules none, the vulnerability is not exploitable over HTTP.
If the ip http secure-server command is present and the configuration also contains ip http secure-active-session-modules none, the vulnerability is not exploitable over HTTPS.
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:
IOS XR Software
Meraki products
NX-OS Software
Workarounds
There are no workarounds that address this vulnerability. However, there are mitigations.
Disabling the HTTP Server feature eliminates the attack vector for this vulnerability and may be a suitable mitigation until affected devices can be upgraded. To disable the HTTP Server feature, use the no ip http server or no ip http secure-server command in global configuration mode. If both the HTTP server and HTTPS server are in use, both commands are required to disable the HTTP Server feature.
Disabling HTTP and HTTPS for management functions can also be a suitable mitigation. Use the ip http active-session-modules none and ip http secure-active-session-modules none commands.
While these mitigations have been deployed and were proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.
Fixed Software
Cisco has released free software updates ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.
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.
The Cisco Support and Downloads page ["https://www.cisco.com/c/en/us/support/index.html"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool.
When considering software upgrades ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories 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.
Cisco IOS and IOS XE Software
To help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] to identify any Cisco Security Advisories that impact a specific software release and the earliest release that fixes the vulnerabilities described in each advisory (“First Fixed”). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (“Combined First Fixed”).
Customers can use the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] to search advisories in the following ways:
Choose the software and one or more releases
Upload a .txt file that includes a list of specific releases
Enter the output of the show version command
After initiating a search, customers can customize the search to include all Cisco Security Advisories, a specific advisory, or all advisories in the most recent bundled publication.
Customers can also use the following form to determine whether a release is affected by any Cisco Security Advisory by entering a Cisco IOS or IOS XE Software release—for example, 15.1(4)M2 or 3.13.8S:
By default, the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] includes results only for vulnerabilities that have a Critical or High Security Impact Rating (SIR). To include results for Medium SIR vulnerabilities, customers can use the Cisco Software Checker on Cisco.com and check the Medium check box in the drop-down list under Impact Rating when customizing a search.
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.
{
"document": {
"acknowledgments": [
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}
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"category": "csaf_security_advisory",
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"notes": [
{
"category": "summary",
"text": "A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition.\r\n\r\nThis vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n\r\n\r\nThis advisory is part of the April 2022 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: April 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. [\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74561\"]",
"title": "Summary"
},
{
"category": "general",
"text": "This vulnerability affects Cisco devices if they are running a vulnerable release of Cisco IOS Software or Cisco IOS XE Software and have the HTTP feature enabled. All vulnerable releases of Cisco IOS XE Software are within the 3SE and 3E release trains.\r\n\r\nFor more information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n Determine the HTTP Server Configuration\r\nTo determine whether the HTTP Server feature is enabled for a device, log in to the device and use the show running-config | include ip http server|secure|active command in the CLI to check for the presence of the ip http server command or the ip http secure-server command in the global configuration. If either command is present, the HTTP Server feature is enabled for the device.\r\n\r\nThe following example shows the output of the show running-config | include ip http server|secure|active command for a device that has the HTTP Server feature enabled:\r\n\r\n\r\nRouter# show running-config | include ip http server|secure|active\r\nip http server\r\nip http secure-server\r\n\r\nNote: The presence of either command or both commands in the device configuration indicates that the web UI feature is enabled.\r\n\r\nIf the ip http server command is present and the configuration also contains ip http active-session-modules none, the vulnerability is not exploitable over HTTP.\r\n\r\nIf the ip http secure-server command is present and the configuration also contains ip http secure-active-session-modules none, the vulnerability is not exploitable over HTTPS.",
"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\nIOS XR Software\r\nMeraki products\r\nNX-OS Software",
"title": "Products Confirmed Not Vulnerable"
},
{
"category": "general",
"text": "There are no workarounds that address this vulnerability. However, there are mitigations.\r\n\r\nDisabling the HTTP Server feature eliminates the attack vector for this vulnerability and may be a suitable mitigation until affected devices can be upgraded. To disable the HTTP Server feature, use the no ip http server or no ip http secure-server command in global configuration mode. If both the HTTP server and HTTPS server are in use, both commands are required to disable the HTTP Server feature.\r\n\r\nDisabling HTTP and HTTPS for management functions can also be a suitable mitigation. Use the ip http active-session-modules none and ip http secure-active-session-modules none commands.\r\n\r\nWhile these mitigations have been deployed and were proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.",
"title": "Workarounds"
},
{
"category": "general",
"text": "Cisco has released free software updates [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu\"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.\r\n\r\nCustomers 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\nThe Cisco Support and Downloads page [\"https://www.cisco.com/c/en/us/support/index.html\"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories 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 Customers Without Service Contracts\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: 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\"]\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 Cisco IOS and IOS XE Software\r\nTo help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] to identify any Cisco Security Advisories that impact a specific software release and the earliest release that fixes the vulnerabilities described in each advisory (\u201cFirst Fixed\u201d). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (\u201cCombined First Fixed\u201d).\r\n\r\nCustomers can use the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] to search advisories in the following ways:\r\n\r\nChoose the software and one or more releases\r\nUpload a .txt file that includes a list of specific releases\r\nEnter the output of the show version command\r\n\r\nAfter initiating a search, customers can customize the search to include all Cisco Security Advisories, a specific advisory, or all advisories in the most recent bundled publication.\r\n\r\nCustomers can also use the following form to determine whether a release is affected by any Cisco Security Advisory by entering a Cisco IOS or IOS XE Software release\u2014for example, 15.1(4)M2 or 3.13.8S:\r\n\r\n\r\n\r\nBy default, the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] includes results only for vulnerabilities that have a Critical or High Security Impact Rating (SIR). To include results for Medium SIR vulnerabilities, customers can use the Cisco Software Checker on Cisco.com and check the Medium check box in the drop-down list under Impact Rating when customizing a search.",
"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": "psirt@cisco.com",
"issuing_authority": "Cisco PSIRT",
"name": "Cisco",
"namespace": "https://wwww.cisco.com"
},
"references": [
{
"category": "self",
"summary": "Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-dos-svOdkdBS"
},
{
"category": "external",
"summary": "Cisco Event Response: April 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication",
"url": "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74561"
},
{
"category": "external",
"summary": "Cisco Security Vulnerability Policy",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
},
{
"category": "external",
"summary": "free software updates",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"
},
{
"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\u0026nbsp;Support and Downloads page",
"url": "https://www.cisco.com/c/en/us/support/index.html"
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{
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"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
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"url": "https://www.cisco.com/go/psirt"
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"url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
},
{
"category": "external",
"summary": "Cisco\u0026nbsp;Software Checker",
"url": "https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"
}
],
"title": "Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability",
"tracking": {
"current_release_date": "2022-04-13T16:00:00+00:00",
"generator": {
"date": "2024-05-10T23:14:02+00:00",
"engine": {
"name": "TVCE"
}
},
"id": "cisco-sa-http-dos-svOdkdBS",
"initial_release_date": "2022-04-13T16:00:00+00:00",
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{
"date": "2022-04-13T15:41:12+00:00",
"number": "1.0.0",
"summary": "Initial public release."
}
],
"status": "final",
"version": "1.0.0"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"branches": [
{
"category": "service_pack",
"name": "15.2(7)E3",
"product": {
"name": "15.2(7)E3",
"product_id": "CSAFPID-271631"
}
},
{
"category": "service_pack",
"name": "15.2(7)E4",
"product": {
"name": "15.2(7)E4",
"product_id": "CSAFPID-278803"
}
},
{
"category": "service_pack",
"name": "15.2(7)E3k",
"product": {
"name": "15.2(7)E3k",
"product_id": "CSAFPID-280771"
}
},
{
"category": "service_pack",
"name": "15.2(8)E",
"product": {
"name": "15.2(8)E",
"product_id": "CSAFPID-280857"
}
}
],
"category": "product_version",
"name": "15.2E"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.9(3)M2",
"product": {
"name": "15.9(3)M2",
"product_id": "CSAFPID-274204"
}
},
{
"category": "service_pack",
"name": "15.9(3)M3",
"product": {
"name": "15.9(3)M3",
"product_id": "CSAFPID-279111"
}
},
{
"category": "service_pack",
"name": "15.9(3)M2a",
"product": {
"name": "15.9(3)M2a",
"product_id": "CSAFPID-279383"
}
},
{
"category": "service_pack",
"name": "15.9(3)M3a",
"product": {
"name": "15.9(3)M3a",
"product_id": "CSAFPID-281319"
}
},
{
"category": "service_pack",
"name": "15.9(3)M4",
"product": {
"name": "15.9(3)M4",
"product_id": "CSAFPID-281499"
}
},
{
"category": "service_pack",
"name": "15.9(3)M3b",
"product": {
"name": "15.9(3)M3b",
"product_id": "CSAFPID-282118"
}
}
],
"category": "product_version",
"name": "15.9M"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.1(3)SVR1",
"product": {
"name": "15.1(3)SVR1",
"product_id": "CSAFPID-277230"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVR2",
"product": {
"name": "15.1(3)SVR2",
"product_id": "CSAFPID-277253"
}
},
{
"category": "service_pack",
"name": "15.1(3)SVR3",
"product": {
"name": "15.1(3)SVR3",
"product_id": "CSAFPID-279337"
}
},
{
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],
"title": "Cisco IOS software Web Services Denial of Service Vulnerabilities "
}
]
}
ghsa-hhh3-rvr9-x6qq
Vulnerability from github
Published
2022-04-16 00:00
Modified
2022-04-27 00:00
Severity ?
VLAI Severity ?
Details
A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
{
"affected": [],
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],
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],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-04-15T15:15:00Z",
"severity": "HIGH"
},
"details": "A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.",
"id": "GHSA-hhh3-rvr9-x6qq",
"modified": "2022-04-27T00:00:34Z",
"published": "2022-04-16T00:00:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-20697"
},
{
"type": "WEB",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-dos-svOdkdBS"
}
],
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"severity": [
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"type": "CVSS_V3"
}
]
}
fkie_cve-2022-20697
Vulnerability from fkie_nvd
Published
2022-04-15 15:15
Modified
2024-11-21 06:43
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios | 15.1\(3\)svr1 | |
| cisco | ios | 15.1\(3\)svr2 | |
| cisco | ios | 15.1\(3\)svr3 | |
| cisco | ios | 15.1\(3\)svs | |
| cisco | ios | 15.1\(3\)svs1 | |
| cisco | ios | 15.1\(3\)svt1 | |
| cisco | ios | 15.1\(3\)svt2 | |
| cisco | ios | 15.1\(3\)svt3 | |
| cisco | ios | 15.1\(3\)svu1 | |
| cisco | ios | 15.1\(3\)svu2 | |
| cisco | ios | 15.1\(3\)svu10 | |
| cisco | ios | 15.1\(3\)svv1 | |
| cisco | ios | 15.2\(7\)e3 | |
| cisco | ios | 15.2\(7\)e3a | |
| cisco | ios | 15.2\(7\)e3k | |
| cisco | ios | 15.2\(7\)e4 | |
| cisco | ios | 15.2\(8\)e | |
| cisco | ios | 15.2\(234k\)e | |
| cisco | ios | 15.3\(3\)jk100 | |
| cisco | ios | 15.3\(3\)jpj8 | |
| cisco | ios | 15.9\(3\)m2 | |
| cisco | ios | 15.9\(3\)m2a | |
| cisco | ios | 15.9\(3\)m3 | |
| cisco | ios | 15.9\(3\)m3a | |
| cisco | ios | 15.9\(3\)m3b | |
| cisco | ios | 15.9\(3\)m4 | |
| cisco | ios_xe | 3.11.3ae | |
| cisco | ios_xe | 3.11.3e | |
| cisco | ios_xe | 3.11.4e |
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},
{
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"value": "Una vulnerabilidad en la interfaz de servicios web de Cisco IOS Software and Cisco IOS XE Software podr\u00eda permitir a un atacante remoto autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Esta vulnerabilidad es debido a una administraci\u00f3n inapropiada de los recursos en el c\u00f3digo del servidor HTTP. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un gran n\u00famero de peticiones HTTP a un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar a el dispositivo recargarse, resultando en una condici\u00f3n de DoS"
}
],
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},
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}
gsd-2022-20697
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Aliases
Aliases
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"id": "GSD-2022-20697"
},
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}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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