CVE-2023-3582 — Incorrect Authorization in Server

CWE-863 — Incorrect Authorization3 documents3 sources
Severity
4.3MEDIUMNVD
EPSS
0.2%
top 63.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mattermost ServerMattermost
Timeline
PublishedJul 17

Description

Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to,

CVSS vector

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

Affected Packages2 packages

▶NVDmattermost/mattermost_server7.8.0 — 7.8.7+2
▶CVEListV5mattermost/mattermost7.8.6+2

🔴Vulnerability Details

2
GHSA
GHSA-r9r2-6p7x-xrrr: Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a priv↗2023-07-17
▶
CVEList
Lack of channel membership check when linking a board to a channel↗2023-07-17
▶
CVE-2023-3582 — Incorrect Authorization in Server | cvebase