CVE-2024-42406CWE-284

Unauthorized access on archived channels

Medium · published September 26, 2024

CVSS v3.1
5.4
EPSS
0%
Percentile
12.0
In the wild
Unconfirmed
What it is

Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00221 · 12.0th percentile
Weakness
CWE-284 · Improper Access Control
Published
2024-09-26T08:04Z
EPSS history
Timeline
  • 26 SEP 08:04Z
    Unauthorized access on archived channels
    cvelistv5