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Status published
Medium
CVE-2023-6202
Insecure Direct Object Reference in /plugins/focalboard/ api/v2/users of Mattermost Boards
Vulnerability Description
Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- DoyenSec
References
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost
Vulnerable Versions:
0, 9.0.2, 9.1.1, 7.8.13, 8.1.4
Timeline
Official Publish:
November 27th, 2023
Last Modified:
October 11th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N