CVE:CVE-2020-5686
CNNVD:CNNVD-202101-082
NEC UNIVERGE SV8500和NEC UNIVERGE SV9500都是日本NEC公司的一款IP电话设备。
NEC 多款产品存在安全漏洞，该漏洞允许远程攻击者绕过身份验证过程。以下产品及版本受到影响：UNIVERGE SV9500: V1, V7，UNIVERGE SV8500: S6, S8。
solution:Upgrade nec univerge_sv9500_firmware to a higher version than v7,and avoid the version [v1,v7]; Upgrade nec univerge_sv8500_firmware to a higher version than s8,and avoid the version [s6,s8]