Cisco Webex App URL Parser RCE via Crafted Meeting Link
CVE-2025-20236 Published on April 16, 2025
Cisco Webex App Client-Side Remote Code Execution Vulnerability
A vulnerability in the custom URL parser of Cisco Webex App could allow an unauthenticated, remote attacker to persuade a user to download arbitrary files, which could allow the attacker to execute arbitrary commands on the host of the targeted user.
This vulnerability is due to insufficient input validation when Cisco Webex App processes a meeting invite link. An attacker could exploit this vulnerability by persuading a user to click a crafted meeting invite link and download arbitrary files. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the targeted user.
Vulnerability Analysis
CVE-2025-20236 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Inclusion of Functionality from Untrusted Control Sphere
The software imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.
Products Associated with CVE-2025-20236
Want to know whenever a new CVE is published for Cisco Webex Teams? stack.watch will email you.
Affected Versions
Cisco Webex Teams:- Version 44.6 is affected.
- Version 44.6.0.29928 is affected.
- Version 44.6.0.30148 is affected.
- Version 44.7 is affected.
- Version 44.7.0.30141 is affected.
- Version 44.7.0.30285 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.