CVE-2024-2450

Name of the Vulnerable Software and Affected Versions Mattermost versions 8.1.x through 8.1.9 Mattermost versions 9.2.x through 9.2.5 Mattermost versions 9.3.x through 9.3.1 Mattermost versions 9.4.x through 9.4.2

Description The issue arises from the failure to correctly verify account ownership when switching from email to SAML authentication, allowing an authenticated attacker to take over other user accounts via a crafted switch request under specific conditions.

Recommendations For Mattermost versions 8.1.x through 8.1.9, update to version 8.1.10 or later. For Mattermost versions 9.2.x through 9.2.5, update to version 9.2.6 or later. For Mattermost versions 9.3.x through 9.3.1, update to version 9.3.2 or later. For Mattermost versions 9.4.x through 9.4.2, update to version 9.4.3 or later.