CVE-2024-12247

Name: CVE-2024-12247
Creator: NVD / NIST
Published: 2024-12-05T16:15:25.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2024-12247 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Mattermost versions 9.7.x <= 9.7.5, 9.8.x <= 9.8.2 and 9.9.x <= 9.9.2 fail to properly propagate permission scheme updates across cluster nodes which allows a user to keep old permissions, even if the permission scheme has been updated.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

Mattermost versions 9.7.x <= 9.7.5, 9.8.x <= 9.8.2 and 9.9.x <= 9.9.2 fail to properly propagate permission scheme updates across cluster nodes which allows a user to keep old permissions, even if the permission scheme has been updated.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.17%

6.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Server	>= 9.7.0, < 9.7.6
Mattermost	Mattermost Server	>= 9.8.0, < 9.8.3
Mattermost	Mattermost Server	>= 9.9.0, < 9.9.3

References

https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Dec 5, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-12247?

How severe is CVE-2024-12247?

CVE-2024-12247 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2024-12247?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-12247?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST