What is CVE-2023-5969?

CVE-2023-5969 is a medium-severity vulnerability in Mattermost, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2023-11-06.

How severe is CVE-2023-5969?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Mattermost

CVE-2023-5969

Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (41.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Mattermost — versions 9.0.1, 8.0.4, 0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-5969?: CVE-2023-5969 is a medium-severity vulnerability in Mattermost, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2023-11-06.
How severe is CVE-2023-5969?: Medium severity. CVSS v3 base score is 5.3 out of 10.