What is CVE-2024-12247?

CVE-2024-12247 is a medium-severity vulnerability in Mattermost, classified under Incorrect Authorization. CVSS score: 4.6/10. Published 2024-12-05.

How severe is CVE-2024-12247?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Auth bypass in Mattermost

CVE-2024-12247

Mattermost versions 9.7.x <= 9.7.5, 9.8.x <= 9.8.2 and 9.9.x <= 9.9.2 fail to properly propagate permission scheme updates across cluster nodes which allows a user to keep old permissions, even if the permission scheme has been updated.

Vulnerability class: Broken Access Control

EPSS: 0.002 (6.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L.

Affected products

Mattermost — versions 9.7.0, 9.8.0, 9.9.0
Mattermost Mattermost_server

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-12247?: CVE-2024-12247 is a medium-severity vulnerability in Mattermost, classified under Incorrect Authorization. CVSS score: 4.6/10. Published 2024-12-05.
How severe is CVE-2024-12247?: Medium severity. CVSS v3 base score is 4.6 out of 10.