CVE-2023-2788CWE-862

Deactivated user can retain access using oauth2 api

Medium · published June 16, 2023

CVSS v3.1
6.2
EPSS
1%
Percentile
42.2
In the wild
Unconfirmed
What it is

Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker's account is deactivated.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00504 · 42.2th percentile
Weakness
CWE-862 · Missing Authorization
Published
2023-06-16T08:58Z
EPSS history
Timeline
  • 16 JUN 08:58Z
    Deactivated user can retain access using oauth2 api
    cvelistv5