cnvd - cnvd-2021-09297

cnvd-2021-09297

Vulnerability from cnvd

Title: Cisco IOS XR拒绝服务漏洞（CNVD-2021-09297）

Description:

Cisco IOS XR软件是用于服务提供商网络的模块化和完全分布式的网络操作系统。

Cisco IOS XR的入口数据包处理功能存在拒绝服务漏洞。该漏洞源于受影响的设备处理Telnet协议数据包时存在逻辑错误。攻击者可通过发送特定数据包流利用该漏洞导致enf_broker进程崩溃，从而会导致系统不稳定以及无法通过受影响的设备处理或转发流量。

Severity: 高

Patch Name: Cisco IOS XR拒绝服务漏洞（CNVD-2021-09297）的补丁

Patch Description:

Cisco IOS XR软件是用于服务提供商网络的模块化和完全分布式的网络操作系统。

Cisco IOS XR的入口数据包处理功能存在拒绝服务漏洞。该漏洞源于受影响的设备处理Telnet协议数据包时存在逻辑错误。攻击者可通过发送特定数据包流利用该漏洞导致enf_broker进程崩溃，从而会导致系统不稳定以及无法通过受影响的设备处理或转发流量。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-1288

Impacted products

Name
Cisco IOS XR

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-1288",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-1288"
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  "products": {
    "product": "Cisco IOS XR"
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-1288",
  "serverity": "\u9ad8",
  "submitTime": "2021-02-04",
  "title": "Cisco IOS XR\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-09297\uff09"
}

CVE-2021-1288 (GCVE-0-2021-1288)

Vulnerability from cvelistv5

Published

2021-02-04 16:35

Modified

2024-11-08 23:54

Severity ?

8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWE

CWE-399

Summary

Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

References

▼	URL	Tags
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2	vendor-advisory, x_refsource_CISCO

Impacted products

	Vendor	Product	Version
	Cisco	Cisco IOS XR Software	Version: n/a

Show details on NVD website

JSON

To clipboard

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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.
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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