SB2025041701 - Arbitrary code execution in Cisco Webex App
Published: April 17, 2025
Security Bulletin ID
SB2025041701
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Inclusion of Functionality from Untrusted Control Sphere (CVE-ID: CVE-2025-20236)
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.
Remediation
Install update from vendor's website.