CVE:CVE-2020-3177
CNNVD:CNNVD-202004-1103
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。该组件提供了一种可扩展、可分布和高可用的企业IP电话呼叫处理解决方案。
Cisco Unified Communications Manager (UCM)和Unified Communications Manager Session Management Edition (SME)中的 Auto-Registered Phones Support (TAPS)工具中存在路径遍历漏洞，该漏洞源于程序没有充分验证发送到TAPS接口的用户输入。攻击者可通过发送特制请求到TAPS接口利用该漏洞读取系统中的任意文件。
solution:Upgrade cisco unified_communications_manager to a higher version than 10.5(2.10000.5,11.5(1.10000.6,12.0(1.10000.10,12.5(1.10000.22,and avoid the version 10.5(2.10000.5),11.5(1.10000.6),12.0(1.10000.10),12.5(1.10000.22); Upgrade cisco unified_contact_center_express to a higher version than 12.0(1,and avoid the version 12.0(1)