What is CVE-2024-39361?

CVE-2024-39361 is a low-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 3.1/10. Published 2024-07-03.

How severe is CVE-2024-39361?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2024-39361 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mattermost

CVE-2024-39361

Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5 fail to prevent users from specifying a RemoteId for their posts which allows an attacker to specify both a remoteId and the post ID, resulting in creating a post with a user-defined post ID. This can cause some broken functionality in the channel or thread with user-defined posts

EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Mattermost — versions 9.8.0, 9.7.0, 9.6.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-39361?: CVE-2024-39361 is a low-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 3.1/10. Published 2024-07-03.
How severe is CVE-2024-39361?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2024-39361 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.