CVE-2023-3582 MEDIUM

CVE-2023-3582: Lack of channel membership check when linking a board to a channel

Vendor Mattermost
Product Mattermost
Weakness CWE-863 · Incorrect authorization
Published July 17, 2023
Last update October 21, 2024
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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, 

Key dates

02Disclosure timeline

July 17, 2023 CVE published
October 21, 2024 Record updated