Cisco Webex Meetings Multimedia Viewer Vulnerability

vulnerability within the Multimedia Viewer feature of Cisco Webex Meetings could allow an authenticated, remote attacker to bypass security protections. The vulnerability is due to missing security warning dialog boxes when a room host views shared multimedia files. An authenticated, remote attacker could exploit this vulnerability by using the host role to share files within the Multimedia sharing feature and convincing a former room host to view that file. A warning dialog normally appears cautioning users before the file is displayed; however, the former host would not see that warning dialog, and any shared multimedia would be rendered within the user's browser. The attacker could leverage this behavior to conduct additional attacks by including malicious files within a targeted room host's browser window.

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N

访问控制不恰当

Cisco Webex Meetings 访问控制错误漏洞

Cisco Webex Meetings是美国思科（Cisco）公司的一套视频会议解决方案。 Cisco Webex Meetings中的Multimedia Viewer功能存在访问控制错误漏洞，该漏洞源于当会议室主持人查看共享的多媒体文件时不会弹出安全警告对话框。远程攻击者可借助主持人身份共享文件并诱使之前的主持人浏览该多媒体文件利用该漏洞绕过安全限制。

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