CVE-2024-6428

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CVSS 3.1

6.5 medium

EPSS

<1%p33

Published

Jul 3, 2024 (Jul 3, 2024)

Modified

Jun 17, 2026

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.

Vendors: mattermost
Products: mattermost
Weakness: CWE-284
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.4%)

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