What is CVE-2023-4106?

CVE-2023-4106 is a medium-severity vulnerability in Mattermost, classified under Missing Authorization. CVSS score: 6.3/10. Published 2023-08-11.

How severe is CVE-2023-4106?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Mattermost

CVE-2023-4106

Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks.

Vulnerability class: Broken Access Control

EPSS: 0.003 (23.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Mattermost — versions 0, 7.8.8, 7.9.6

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-4106?: CVE-2023-4106 is a medium-severity vulnerability in Mattermost, classified under Missing Authorization. CVSS score: 6.3/10. Published 2023-08-11.
How severe is CVE-2023-4106?: Medium severity. CVSS v3 base score is 6.3 out of 10.