Mattermost versions 8.1.x before 8.1.12, 9.6.x before 9.6.1, 9.5.x before 9.5.3, 9.4.x before 9.4.5 fail to limit the number of active sessions, which allows an authenticated attacker to crash the server via repeated requests to the getSessions API after flooding the sessions table.

Advisories
Source ID Title
EUVD EUVD EUVD-2024-1321 Mattermost fails to limit the number of active sessions
Github GHSA Github GHSA GHSA-wj37-mpq9-xrcm Mattermost fails to limit the number of active sessions
Fixes

Solution

Update Mattermost Server to versions 9.7.0, 9.6.1, 9.5.3, 9.4.5, 8.1.12 or higher.


Workaround

No workaround given by the vendor.

History

Mon, 12 May 2025 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
Weaknesses CWE-770
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server

cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2024-08-01T20:33:52.871Z

Reserved: 2024-04-25T14:18:54.310Z

Link: CVE-2024-4183

cve-icon Vulnrichment

Updated: 2024-08-01T20:33:52.871Z

cve-icon NVD

Status : Analyzed

Published: 2024-04-26T09:15:12.717

Modified: 2025-05-12T13:42:25.250

Link: CVE-2024-4183

cve-icon Redhat

Severity : Low

Publid Date: 2024-04-26T00:00:00Z

Links: CVE-2024-4183 - Bugzilla

cve-icon OpenCVE Enrichment

No data.