CVE-2023-2788

Deactivated user can retain access using oauth2 api

State: Published
Severity: 6.2 Medium
Published: Jun 16, 2023
Updated: Dec 6, 2024
Reserved: May 18, 2023

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.2 Medium	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L	Mattermost

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
MattermostMattermost	7.1.9 and earlierAffected 7.8.4 and earlierAffected 7.9.3 and earlierAffected 7.10.0Affected 7.1.10Not affected 7.8.5Not affected 7.9.4Not affected 7.10.1Not affected

References

https://mattermost.com/security-updates/

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