What is CVE-2024-2450?

CVE-2024-2450 is a high-severity vulnerability in Mattermost, classified under Improper Authentication. CVSS score: 8.8/10. Published 2024-03-15.

How severe is CVE-2024-2450?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Mattermost

CVE-2024-2450

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…

Vulnerability class: Broken Authentication

EPSS: 0.006 (44.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mattermost — versions 9.5.0, 9.4.0, 9.3.0
Mattermost Mattermost_server — versions 9.5.0

Weakness classification (CWE)

CWE-287 — Improper Authentication
CWE-306 — Missing Authentication for Critical Function

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-2450?: CVE-2024-2450 is a high-severity vulnerability in Mattermost, classified under Improper Authentication. CVSS score: 8.8/10. Published 2024-03-15.
How severe is CVE-2024-2450?: High severity. CVSS v3 base score is 8.8 out of 10.