CVE-2024-29977CWE-284

Malicious remote can create arbitrary reactions on arbitrary posts

Low · published August 1, 2024

CVSS v3.1
2.7
EPSS
0%
Percentile
19.0
In the wild
Unconfirmed
What it is

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts

The record
Technical detail
CVSS v3.1
2.7 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00276 · 19.0th percentile
Weakness
CWE-284 · Improper Access Control
Published
2024-08-01T14:05Z
EPSS history
Timeline
  • 01 AUG 14:05Z
    Malicious remote can create arbitrary reactions on arbitrary posts
    cvelistv5