CVE:CVE-2020-3176
CNNVD:CNNVD-202003-163
Cisco Remote PHY 120等都是美国思科（Cisco）公司的一款远程PHY（端口物理层）设备。
Cisco Remote PHY 120 Release 7.7之前版本、Remote PHY 220（全部版本）和Remote PHY Shelf 7200（全部版本）中存在命令注入漏洞，该漏洞源于程序没有正确清理用户提交的输入。本地攻击者可借助特制的参数利用漏洞以root用户身份执行任意命令。
solution:Upgrade cisco remote_phy_120_firmware to a higher version than 7.7,and avoid the version (,7.7); Upgrade cisco remote_phy_220_firmware to a higher version than *; Upgrade cisco remote_phy_shelf_7200_firmware to a higher version than *