CVE-2020-3419— Cisco Webex Meetings and Cisco Webex Meetings Server Ghost Join Vulnerability

Cisco Webex Meetings and Cisco Webex Meetings Server Ghost Join Vulnerability

A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to join a Webex session without appearing on the participant list. This vulnerability is due to improper handling of authentication tokens by a vulnerable Webex site. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Cisco Webex Meetings Server site. A successful exploit requires the attacker to have access to join a Webex meeting, including applicable meeting join links and passwords. The attacker could then exploit this vulnerability to join meetings, without appearing in the participant list, while having full access to audio, video, chat, and screen sharing capabilities.

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

动态管理代码资源的控制不恰当

Cisco Webex Meetings 安全漏洞

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 和 Cisco Webex Meetings Server存在安全漏洞，该漏洞源于Webex网站对认证令牌处理不当造成的。攻击者可利用该漏洞加入Webex会议而不出现在参与者列表上。攻击者可利用该漏洞可以利用此漏洞向思科Webex会议或思科Webex会议服务器站点发送精心设计的请求。成功的利用需要攻击者能够访问Webex会议，包括适用的会议连接链接和密码。

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