CVE:CVE-2021-1517
CNNVD:CNNVD-202106-163
Cisco Webex Meeting Center是美国思科（Cisco）公司的一套在线协作视频会议解决方案。
Cisco 多款产品存在安全漏洞，该漏洞源于Cisco Webex meeting和Cisco Webex meeting Server的多媒体查看器特性存在漏洞，可使经过身份验证的远程攻击者可利用该漏洞绕过安全保护。此漏洞是由于在多媒体查看器特性中对共享内容的不安全处理造成的。攻击者可利用该漏洞可以利用这个漏洞，通过多媒体查看器特性共享文件。一个成功的漏洞可以让攻击者可利用该漏洞绕过安全保护，防止在文件被提供给其他用户之前出现警告对话框。
solution:Upgrade cisco webex_meetings_online to a higher version than 41.3.5,and avoid the version 41.3.5; Upgrade cisco webex_meetings_server to a higher version than 3.0,3.0,3.0:maintenance_release1,3.0:maintenance_release2,3.0:maintenance_release3,4.0,4.0:maintenance_release1,4.0:maintenance_release2,4.0:maintenance_release3,4.0:maintenance_release3_security_patch3,4.0:maintenance_release3_security_patch4,and avoid the version (,3.0),3.0,3.0:maintenance_release1,3.0:maintenance_release2,3.0:maintenance_release3,4.0,4.0:maintenance_release1,4.0:maintenance_release2,4.0:maintenance_release3,4.0:maintenance_release3_security_patch3,4.0:maintenance_release3_security_patch4