CVE-2025-20255
A vulnerability in client join services of Cisco Webex Meetings could allow an unauthenticated, remote attacker to manipulate cached HTTP responses within the meeting join service. This vulnerabili
Description
A vulnerability in client join services of Cisco Webex Meetings could allow an unauthenticated, remote attacker to manipulate cached HTTP responses within the meeting join service. This vulnerability is due to improper handling of malicious HTTP requests to the affected service. An attacker could exploit this vulnerability by manipulating stored HTTP responses within the service, also known as HTTP cache poisoning. A successful exploit could allow the attacker to cause the Webex Meetings service to return incorrect HTTP responses to clients.
Weakness: CWE-349
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Webex | Other Products | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Webex Meetings
Vendor advisory
Cisco Webex Meetings Services HTTP Cache Poisoning Vulnerability
Cisco’s rating: Medium (advisory CVSS 4.3) · Published May 21, 2025
Bug ID: CSCwo66106
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from