CVE-2024-42000

Unauthorized Access to view channels' details

Published Nov 9, 2024 CVSS 3.1 · 2.7 Low EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update Mattermost to versions 10.1.0, 9.10.3, 9.11.2, 9.5.10, 10.0.1 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-39386 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.
References
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00054}

epss

{'score': 0.00058}

Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:-:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc4:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Unauthorized Access to view channels' details
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 2.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Nov 12, 2024, 2:53 PM
Reserved
Nov 5, 2024, 9:14 AM
Status
Analyzed
Published
Nov 9, 2024, 6:15 PM
Modified
Jun 17, 2026, 7:48 AM