cisco-sa-webex-cache-Q4xbkQBG: Cisco Webex Meetings Services HTTP Cache Poisoning Vulnerability

Published May 21, 2025
·
Updated

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.Cisco has addressed this vulnerability in the service, and no customer action is necessary to update on-premises software or devices. There are no workarounds that address this vulnerability.This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-cache-Q4xbkQBG

Affected Software

1 affected component
Cisco Webex Meetings

Event History

May 21, 2025
Advisory Published
via Cisco·04:00 PM
Data Sourced
via Cisco·04:00 PM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of cisco-sa-webex-cache-Q4xbkQBG?

The cisco-sa-webex-cache-Q4xbkQBG vulnerability is rated as high severity due to its potential exploitation by unauthenticated attackers.

2

How do I fix cisco-sa-webex-cache-Q4xbkQBG?

To fix cisco-sa-webex-cache-Q4xbkQBG, users should update their Cisco Webex Meetings Client to the latest version provided by Cisco.

3

What is the impact of cisco-sa-webex-cache-Q4xbkQBG?

The impact of cisco-sa-webex-cache-Q4xbkQBG includes the potential manipulation of cached HTTP responses, which could lead to unauthorized access or data exposure.

4

Is cisco-sa-webex-cache-Q4xbkQBG remotely exploitable?

Yes, cisco-sa-webex-cache-Q4xbkQBG is remotely exploitable by an attacker without authentication.

5

Which versions of Cisco products are affected by cisco-sa-webex-cache-Q4xbkQBG?

Cisco Webex Meetings Client is affected by the cisco-sa-webex-cache-Q4xbkQBG vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203