What is CVE-2023-27264?

CVE-2023-27264 is a high-severity vulnerability in Mattermost, classified under Missing Authorization. CVSS score: 7.1/10. Published 2023-02-27.

How severe is CVE-2023-27264?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Mattermost

CVE-2023-27264

A missing permissions check in Mattermost Playbooks in Mattermost allows an attacker to modify a playbook via the /plugins/playbooks/api/v0/playbooks/[playbookID] API.

Vulnerability class: Broken Access Control

EPSS: 0.005 (40.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

Affected products

Mattermost — versions 7.5.0, 7.4.0, 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-27264?: CVE-2023-27264 is a high-severity vulnerability in Mattermost, classified under Missing Authorization. CVSS score: 7.1/10. Published 2023-02-27.
How severe is CVE-2023-27264?: High severity. CVSS v3 base score is 7.1 out of 10.