CVE-2024-4182CWE-754

Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which…

Medium · published April 26, 2024

CVSS v3.1
4.3
EPSS
1%
Percentile
45.4
In the wild
Unconfirmed
What it is

Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00552 · 45.4th percentile
Weakness
CWE-754 · Improper Check for Unusual or Exceptional Conditions
Published
2024-04-26T08:25Z
EPSS history
Timeline
  • 26 APR 08:25Z
    Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which…
    cvelistv5