安全研究

安全漏洞
Cisco ASR 900和ASR 920 Series Aggregation Services Routers访问控制绕过漏洞(CVE-2021-34696

发布日期:2021-09-22
更新日期:2021-09-23

受影响系统:
Cisco ASR 900 Series Aggregation Services Routers
Cisco ASR 920 Series Aggregation Services Routers
描述:
CVE(CAN) ID: CVE-2021-34696

Cisco ASR 900 Series Aggregation Services Routers是思科公司的一款路由器。
Cisco ASR 900和ASR 920 Series Aggregation Services Routers存在访问控制绕过漏洞。该漏洞程序在使用配置CLI以外的方法配置ACL时对硬件进行了错误编程。未经身份验证的远程攻击者可利用该漏洞绕过配置的ACL。

<*来源:Gert D&#246;ring(SpaceNet)
  
  链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr900acl-UeEyCxkv
*>

建议:
厂商补丁:

Cisco
-----
Cisco已经为此发布了一个安全公告(cisco-sa-asr900acl-UeEyCxkv)以及相应补丁:
cisco-sa-asr900acl-UeEyCxkv:Cisco ASR 900 and ASR 920 Series Aggregation Services Routers Access Control List Bypass Vulnerability
链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr900acl-UeEyCxkv

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