SB2025052213 - Acceptance of Extraneous Untrusted Data With Trusted Data in Cisco Webex Meetings



SB2025052213 - Acceptance of Extraneous Untrusted Data With Trusted Data in Cisco Webex Meetings

Published: May 22, 2025

Security Bulletin ID SB2025052213
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Acceptance of Extraneous Untrusted Data With Trusted Data (CVE-ID: CVE-2025-20255)

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

The vulnerability exists due to improper handling of malicious HTTP requests in client join services. A remote attacker can exploit HTTP cache poisoning and cause the Webex Meetings service to return incorrect HTTP responses to clients.


Remediation

Install update from vendor's website.