Inclusion of Functionality from Untrusted Control Sphere in Cisco Webex Meetings Desktop App - CVE-2025-20236

 

Inclusion of Functionality from Untrusted Control Sphere in Cisco Webex Meetings Desktop App - CVE-2025-20236

Published: April 16, 2025


Vulnerability identifier: #VU107564
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-20236
CWE-ID: CWE-829
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient input validation in the custom URL parser when Cisco Webex App processes a meeting invite link. A remote attacker can trick the victim to click a crafted meeting invite link and download arbitrary files, which can later be executed on the system.


Affected software

Cisco Webex Meetings Desktop App

How to mitigate CVE-2025-20236

Install updates from vendor's website.

Cisco Webex Meetings Desktop App - addressed in versions 44.6.2.30589, 44.8.0.30404

External References

Related Security Bulletins