CVE-2023-5194

Name: CVE-2023-5194
Creator: NVD / NIST
Published: 2023-09-29T10:15:10.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2023-5194 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager . EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager

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

0.34%

25.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost	>= 7.0.0, < 7.8.10
Mattermost	Mattermost	>= 8.0.0, < 8.1.1

References

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

Timeline

Published: Sep 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5194?

Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager

How severe is CVE-2023-5194?

CVE-2023-5194 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5194?

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-2023-5194?

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

Scan your code now

Source: NVD / NIST