CVE-2021-37864 Information

Description

Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs.

CVSS Vector

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

Reference

https://mattermost.com/security-updates/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5