CVE-2023-2788 MEDIUM

CVE-2023-2788: Deactivated user can retain access using oauth2 api

Vendor Mattermost
Product Mattermost
Weakness CWE-862 · Missing authorization
Published June 16, 2023
Last update December 6, 2024
View on NVD All CVEs

CVSS base score

6.2/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 16, 2023 CVE published
December 6, 2024 Record updated