Improper Certificate Validation in Cisco Webex Meetings - CVE-2025-20215
Published: August 7, 2025
Vulnerability identifier: #VU113730
CSH Severity: Medium
CVSS v4: 5.8 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-20215
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper certificate validation in the meeting-join functionality. A remote attacker on the local network can join the meeting as another user.
Affected software
Cisco Webex Meetings
How to mitigate CVE-2025-20215
Install updates from vendor's website.