CVE-2024-4195

Name: CVE-2024-4195
Creator: NVD / NIST
Published: 2024-04-26T09:15:12.897+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.7/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2024-4195 is a low-severity vulnerability rated 2.7/10 on the CVSS scale. Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests. . EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests.

Metrics

CVSS 3.1

2.7/10

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

EPSS Probability

0.50%

39.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Server	>= 8.1.0, < 8.1.12
Mattermost	Mattermost Server	>= 9.5.0, < 9.5.3

References

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

Timeline

Published: Apr 26, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-4195?

How severe is CVE-2024-4195?

CVE-2024-4195 has a CVSS score of 2.7/10 (LOW severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2024-4195?

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-2024-4195?

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

Scan your code now

Source: NVD / NIST