CVE:CVE-2020-5757
CNNVD:CNNVD-202007-1287
Grandstream UCM6200是美国潮流网络（Grandstream）公司的一套用于IP电话通信的企业级交换机。
使用1.0.20.23及之前版本固件的Grandstream UCM6200系列中存在操作系统命令注入漏洞。攻击者可通过发送特制的HTTP POST请求利用该漏洞绕过命令注入修复措施，以root用户身份在系统上执行任意命令。
solution:Upgrade grandstream ucm6202_firmware to a higher version than 1.0.20.23,and avoid the version (,1.0.20.23]; Upgrade grandstream ucm6204_firmware to a higher version than 1.0.20.23,and avoid the version (,1.0.20.23]; Upgrade grandstream ucm6208_firmware to a higher version than 1.0.20.23,and avoid the version (,1.0.20.23]