CVE:CVE-2011-4659
CNNVD:CNNVD-201201-296
Cisco IP Video Phone E20中存在远程认证绕过漏洞。攻击者可利用该漏洞在受影响的设备上获得未经授权的访问root目录的权限，攻击成功将操控受影响的设备。
solution:Upgrade cisco telepresence_e20_software to a higher version than te4.1.1-cucm,te2.2,te2.2.1,te4.0.0,te4.1.0,te4.1.1,tenc4.0.0,tenc4.1.0,tenc4.1.1,tenc4.1.1-cucm,and avoid the version (,te4.1.1-cucm],te2.2,te2.2.1,te4.0.0,te4.1.0,te4.1.1,tenc4.0.0,tenc4.1.0,tenc4.1.1,tenc4.1.1-cucm; Upgrade cisco ip_video_phone_e20 to a higher version than -