What is CVE-2024-2447?

CVE-2024-2447 is a medium-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 6.5/10. Published 2024-04-05.

How severe is CVE-2024-2447?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Mattermost

CVE-2024-2447

Mattermost versions 8.1.x before 8.1.11, 9.3.x before 9.3.3, 9.4.x before 9.4.4, and 9.5.x before 9.5.2 fail to authenticate the source of certain types of post actions, allowing an authenticated attacker to create posts as other users via a crafted post action.

EPSS: 0.002 (13.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Mattermost — versions 9.5.0, 9.4.0, 9.3.0
Mattermost Mattermost_server

Weakness classification (CWE)

CWE-284 — Improper Access Control
CWE-346 — Origin Validation Error

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-2447?: CVE-2024-2447 is a medium-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 6.5/10. Published 2024-04-05.
How severe is CVE-2024-2447?: Medium severity. CVSS v3 base score is 6.5 out of 10.