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.
Fixes

Solution

Update Mattermost to versions 10.0.0, 9.7.6, 9.8.3, 9.9.3 or higher.


Workaround

No workaround given by the vendor.

References
History

Wed, 01 Oct 2025 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00038}

epss

{'score': 0.00043}


Thu, 05 Dec 2024 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 05 Dec 2024 15:45:00 +0000

Type Values Removed Values Added
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.
Title Improper propagation of permission scheme updates across cluster nodes
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2024-12-05T16:58:59.768Z

Reserved: 2024-12-05T15:06:26.110Z

Link: CVE-2024-12247

cve-icon Vulnrichment

Updated: 2024-12-05T16:58:49.999Z

cve-icon NVD

Status : Analyzed

Published: 2024-12-05T16:15:25.243

Modified: 2025-10-01T18:21:08.697

Link: CVE-2024-12247

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T22:01:18Z