发布日期：2022-07-06
更新日期：2022-07-07

受影响系统：

Cisco Cisco Unified Communications Manager
Cisco Cisco Unified Communications Manager SME

描述：

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CVE(CAN) ID: CVE-2022-20862

Cisco Unified Communications Manager（CUCM，Unified CM，CallManager）是美国思科（Cisco）公司的一款统一通信系统中的呼叫处理组件。Unified Communications Manager Session Management Edition是Unified Communications Manager的会话管理版。
Cisco Unified Communications Manager（Unified CM）、Cisco Unified Communications Manager Session Management Edition（Unified CM SME）存在任意文件读取漏洞，该漏洞源于程序未对用户输入进行正确验证。经过身份验证的远程攻击者可利用该漏洞访问操作系统上的敏感文件。

<*链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-file-read-qgjhEc3
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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-ucm-file-read-qgjhEc3A）以及相应补丁:
cisco-sa-ucm-file-read-qgjhEc3A：Cisco Unified Communications Manager Arbitrary File Read Vulnerability
链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-file-read-qgjhEc3A

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