CVE:CVE-2020-3345
CNNVD:CNNVD-202007-1074
Cisco WebEx Meetings Server（CWMS）和Cisco Webex Meetings都是美国思科（Cisco）公司的产品。Cisco WebEx Meetings Server是WebEx会议方案中的一套包含音频、视频和Web会议的多功能会议解决方案。Cisco Webex Meetings是一套视频会议解决方案。
Cisco Webex Meetings 40.6.0之前版本和Cisco Webex Meetings Server 4.0 MR3之前版本中的网页存在输入验证错误漏洞，该漏洞源于程序没有正确检查页面参数。远程攻击者可借助特制链接利用该漏洞在浏览器中修改网页。
solution:Upgrade cisco webex_meetings to a higher version than 40.6.0,and avoid the version (,40.6.0); Upgrade cisco webex_meetings_server to a higher version than 4.0,4.0,4.0:maintenance_release1,4.0:maintenance_release2,and avoid the version (,4.0],4.0,4.0:maintenance_release1,4.0:maintenance_release2