发布日期：2021-06-02
更新日期：2021-06-04

受影响系统：

Cisco Virtualized Packet Core-Distributed Instance (VPC-
Cisco Virtualized Packet Core-Single Instance (VPC-SI) S
Cisco ASR 5000 Series Aggregation Services Routers

描述：

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CVE(CAN) ID: CVE-2021-1540

Cisco ASR 5000是一款5000系列网关产品。Cisco StarOS是一套虚拟化操作系统。
Cisco ASR 5000 Series Software存在授权绕过漏洞。该漏洞源于程序对非交互式CLI命令进行错误授权。经过身份认证的远程攻击者可通过发送特制的SSH请求利用该漏洞绕过nocli选项并在受影响的设备上执行CLI 命令的子集。

<*链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-autho-bypass-mJ
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建议：

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厂商补丁：

Cisco
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Cisco已经为此发布了一个安全公告（cisco-sa-asr5k-autho-bypass-mJDF5S7n）以及相应补丁:
cisco-sa-asr5k-autho-bypass-mJDF5S7n：Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities High
链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-autho-bypass-mJDF5S7n

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