What is CVE-2023-4107?

CVE-2023-4107 is a medium-severity vulnerability in Mattermost, classified under Incorrect Authorization. CVSS score: 6.7/10. Published 2023-08-11.

How severe is CVE-2023-4107?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Auth bypass in Mattermost

CVE-2023-4107

Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.

Vulnerability class: Broken Access Control

EPSS: 0.004 (34.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L.

Affected products

Mattermost — versions 0, 7.8.8, 7.9.6

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-4107?: CVE-2023-4107 is a medium-severity vulnerability in Mattermost, classified under Incorrect Authorization. CVSS score: 6.7/10. Published 2023-08-11.
How severe is CVE-2023-4107?: Medium severity. CVSS v3 base score is 6.7 out of 10.