CVE:CVE-2019-15987
CNNVD:CNNVD-201911-1201
Cisco?Webex Meeting Center等都是美国思科（Cisco）公司的产品。Cisco?Webex Meeting Center是一套在线协作视频会议解决方案。Cisco Webex Event Center是一套网络研讨和在线活动管理平台。Cisco Webex Support Center是一套针对服务支持团队的视频会议解决方案。
多款Cisco产品中存在授权问题漏洞。远程攻击者可通过发送特制的请求利用该漏洞猜测账户的用户命名。以下产品及版本受到影响：Cisco Webex Event Center；Cisco Webex Meeting Center；Cisco Webex Support Center；Cisco Webex Training Center。
solution:Upgrade cisco webex_meetings_online to a higher version than 11.0.0,and avoid the version 11.0.0; Upgrade cisco webex_meetings_server to a higher version than 4.0,and avoid the version 4.0; Upgrade cisco webex_event_center to a higher version than -; Upgrade cisco webex_meeting_center to a higher version than -; Upgrade cisco webex_support_center to a higher version than -; Upgrade cisco webex_training_center to a higher version than -