CVE-2023-2193 — MEDIUM (6.5)

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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Mattermost	Mattermost	7.1.7

Related Weaknesses (CWE)

CWE-862

References

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

FAQ

What is CVE-2023-2193?

CVE-2023-2193 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.

How severe is CVE-2023-2193?

CVE-2023-2193 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-2193?

Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost.