CVE-2024-4183

mattermost: fail to limit the number of active sessions

Published Apr 26, 2024 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

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

Tracking

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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
History
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Aug 1, 2024, 8:33 PM
Reserved
Apr 25, 2024, 2:18 PM
Status
Analyzed
Published
Apr 26, 2024, 9:15 AM
Modified
Jun 17, 2026, 8:01 AM
Severity
Low
Public date
Apr 26, 2024, 12:00 AM