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Status published
Medium
CVE-2023-2193
Oauth authorization codes do not expire when deauthorizing an oauth2 app
Vulnerability Description
Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- whitehattushu
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost
Vulnerable Versions:
0, 7.10, 7.9.3, 7.8.4, 7.7.5, 7.1.9
Timeline
Official Publish:
April 20th, 2023
Last Modified:
December 6th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N