Vulnerabilities > CVE-2023-3587 - Missing Authorization vulnerability in Mattermost Server
Attack vector
NETWORK Attack complexity
LOW Privileges required
HIGH Confidentiality impact
NONE Integrity impact
LOW Availability impact
NONE Summary
Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.