CVE-2021-37864CWE-284

Users can view the contents of an archived channel when access is explicitly denied by the system admin

Low · published January 18, 2022

CVSS v3.1
2.6
EPSS
1%
Percentile
47.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
2.6 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00585 · 47.2th percentile
Weakness
CWE-284 · Improper Access Control
Published
2022-01-18T16:52Z
EPSS history
Timeline
  • 18 JAN 16:52Z
    Users can view the contents of an archived channel when access is explicitly denied by the system admin
    cvelistv5