CVE-2024-6428

Limited DoS due to permitting creating users with user-defined IDs

Published Jul 3, 2024 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2, 9.5.x <= 9.5.5 fail to prevent specifying a RemoteId when creating a new user which allows an attacker to specify both a remoteId and the user ID, resulting in creating a user with a user-defined user ID. This can cause some broken functionality in User Management such administrative actions against the user not working.

Remediation

Vendor Solution

Update Mattermost to versions 9.9.0, 9.8.1, 9.7.5, 9.6.3, 9.5.6 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-47531 Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2, 9.5.x <= 9.5.5 fail to prevent specifying a RemoteId when creating a new user which allows an attacker to specify both a remoteId and the user ID, resulting in creating a user with a user-defined user ID. This can cause some broken functionality in User Management such administrative actions against the user not working.
References
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Aug 1, 2024, 9:41 PM
Reserved
Jul 1, 2024, 12:15 PM
Status
Modified
Published
Jul 3, 2024, 9:15 AM
Modified
Jun 17, 2026, 8:17 AM