CVE-2024-42497

Name: CVE-2024-42497
Creator: NVD / NIST
Published: 2024-08-22T16:15:09.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2024-42497 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to properly enforce permissions which allows a user with systems manager role with read-only access to teams to perform write operations on teams.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to properly enforce permissions which allows a user with systems manager role with read-only access to teams to perform write operations on teams.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

0.34%

26.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Server	>= 9.5.0, < 9.5.8
Mattermost	Mattermost Server	>= 9.8.0, < 9.8.3
Mattermost	Mattermost Server	>= 9.9.0, < 9.9.2
Mattermost	Mattermost Server	9.10.0

References

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

Timeline

Published: Aug 22, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-42497?

How severe is CVE-2024-42497?

CVE-2024-42497 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2024-42497?

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-2024-42497?

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

Scan your code now

Source: NVD / NIST