VULNERABILITY INTELLIGENCE
CVE-2024-2450
CVSS score8.8 HIGH
EPSS probability0.60%
CISA KEVNot currently listed
Published2024-03-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail 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.
Weakness classification
- CWE-287: Improper Authentication
- CWE-306: Missing Authentication for Critical Function
Primary references
- responsibledisclosure@mattermost.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory