CVE-2023-6202 — Improper Access Control in Mattermost Mattermost-server V6

CWE-284 — Improper Access Control4 documents4 sources
Severity
4.3MEDIUMNVD
EPSS
0.2%
top 53.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Github.com Mattermost Mattermost-server V6Github.com Mattermost Mattermost Server V8Mattermost
Timeline
PublishedNov 27

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶CVEListV5mattermost/mattermost7.8.12+3
▶NVDmattermost/mattermost8.0.0 — 8.1.3+1

🔴Vulnerability Details

3
OSV
Mattermost Improper Access Control vulnerability↗2023-11-27
▶
GHSA
Mattermost Improper Access Control vulnerability↗2023-11-27
▶
CVEList
Insecure Direct Object Reference in /plugins/focalboard/ api/v2/users of Mattermost Boards↗2023-11-27
▶
CVE-2023-6202 — Improper Access Control | cvebase