CVE-2023-50333 LOW

CVE-2023-50333: Lack of restriction to manage group names for freshly demoted guests

Vendor Mattermost
Product Mattermost
Weakness CWE-284
Published January 2, 2024
Last update June 17, 2025

CVSS base score

3.7/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.

Key dates

02Disclosure timeline

January 2, 2024 CVE published
June 17, 2025 Record updated