SB2025052213 - Acceptance of Extraneous Untrusted Data With Trusted Data in Cisco Webex Meetings
Published: May 22, 2025
Security Bulletin ID
SB2025052213
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Acceptance of Extraneous Untrusted Data With Trusted Data (CVE-ID: CVE-2025-20255)
CWE-ID: CWE-349 - Acceptance of Extraneous Untrusted Data With Trusted Data
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.