CVE:CVE-2011-2577
CNNVD:CNNVD-201108-524
Cisco TelePresence C Series Endpoints，E/EX Personal Video units和MXP Series Codecs中存在未明安全漏洞。远程攻击者可借助发送到端口5060或5061的特制SIP数据包导致拒绝服务（崩溃）。
solution:Upgrade cisco telepresence_codec_c40 to a higher version than *; Upgrade cisco telepresence_codec_c60 to a higher version than *; Upgrade cisco telepresence_codec_c90 to a higher version than *; Upgrade cisco telepresence_ex60 to a higher version than *; Upgrade cisco telepresence_ex90 to a higher version than *; Upgrade cisco telepresence_c_series_software to a higher version than tc3.1.4,tc3.0.0,tc3.1.0,tc3.1.1,tc3.1.2,tc3.1.3,and avoid the version (,tc3.1.4],tc3.0.0,tc3.1.0,tc3.1.1,tc3.1.2,tc3.1.3; Upgrade cisco telepresence_6000_mxp to a higher version than *; Upgrade cisco telepresence_9000_mxp to a higher version than *; Upgrade cisco telepresence_mxp_software to a higher version than f8.2,f9.0,f9.0.1,f9.0.2,and avoid the version f8.2,f9.0,f9.0.1,f9.0.2; Upgrade cisco telepresence_e20 to a higher version than *; Upgrade cisco telepresence_e20_software to a higher version than te2.2.1,and avoid the version te2.2.1