Home Innovation Cisco Cisco Issues Urgent Update for...

Cisco Issues Urgent Update for Critical Webex Vulnerability

Cisco

Business Honor
22 April, 2025

Cisco issues urgent update for Webex users to fix critical security vulnerability in versions 44.6 and 44.7.

Cisco issued an emergency alert for customers using its Webex online conferencing software, announcing a critical security bug in versions 44.6 and 44.7. The bug, located in the URL parser of the software, would make it possible for rogue executable files to be downloaded and executed with full user rights when an invite link to a Webex conference is opened that has been specifically prepared for this. This deficiency affects all operating systems that use these particular versions of Webex, so it is a widespread issue for individual and business users alike.

The problem, with a high-risk CVE rating of 8.8 out of 10, is a serious security threat. When triggered, the flaw allows potentially malicious files to run without any action from the user, which could be a cause for concern regarding data breaches and system compromise. Cisco's notice has not made it clear if any operating system defenses, like firewalls or antivirus software, would neutralize the threat.

Cisco has indicated that version 44.5 and below are not vulnerable to the problem. For users, though, of the compromised versions, there is no workaround. Affected users are advised by the company to update immediately to Webex version 44.8, which patches the vulnerability. The updated version is downloadable from the Cisco website.

Although the company has not revealed the true cause of the vulnerability and why exactly it only affects versions 44.6 and 44.7, the event serves as a reminder of the necessity for frequent software updates to ensure cybersecurity. Webex, commonly used in corporate offices for online meetings and collaboration, is used by millions of users worldwide, so this vulnerability needs to be fixed as a priority for companies using the platform as a secure communication tool.

For users, the upgrade to the newest Webex software is essential in protecting against possible cyberattacks related to this serious vulnerability.