What is CVE-2024-8071?

CVE-2024-8071 is a medium-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 4.7/10. Published 2024-08-22.

How severe is CVE-2024-8071?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Mattermost

CVE-2024-8071

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to restrict which roles can promote a user as system admin which allows a System Role with edit access to the permissions section of system console to update their role (e.g. member) to include the `manage_system` permission, effectively becoming a System Admin.

EPSS: 0.003 (27.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Mattermost — versions 9.9.0, 9.5.0, 9.10.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-8071?: CVE-2024-8071 is a medium-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 4.7/10. Published 2024-08-22.
How severe is CVE-2024-8071?: Medium severity. CVSS v3 base score is 4.7 out of 10.