CVE-2024-42000

Published: Nov 9, 2024Modified: Jun 17, 2026

4.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitability: 2.8 / Impact: 1.4

Source: NVD

Description

Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 and 10.0.x <= 10.0.0 fail to properly authorize the requests to /api/v4/channels which allows a User or System Manager, with "Read Groups" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.

Affected (8)

Products: Mattermost: Mattermost Server

Mattermost

1 product

Mattermost Server

Configuration A

8 vulnerable

Vulnerable Software	Affected Versions
Mattermost Mattermost Server	9.10.0 ≤ version < 9.10.3
Mattermost Mattermost Server	9.11.0 ≤ version < 9.11.2
Mattermost Mattermost Server	9.5.0 ≤ version < 9.5.10
Mattermost Mattermost Server	Version 10.0.0
Mattermost Mattermost Server	Version 10.0.0 rc1
Mattermost Mattermost Server	Version 10.0.0 rc2
Mattermost Mattermost Server	Version 10.0.0 rc3
Mattermost Mattermost Server	Version 10.0.0 rc4

Related CWEs

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (1)

https://mattermost.com/security-updates

Source: responsibledisclosure@mattermost.com

Vendor Advisory

Timeline

No history available yet.