CVE-2023-2193

Oauth authorization codes do not expire when deauthorizing an oauth2 app

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.

Remediation

Solution:

  • Update Mattermost to version v7.10, v7.9.3, v7.8.4, v7.7.5, v7.1.9 or higher.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory mattermost.com
Affected: Mattermost Mattermost
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-2193?
CVE-2023-2193 has been scored as a medium severity vulnerability.
How to fix CVE-2023-2193?
To fix CVE-2023-2193: Update Mattermost to version v7.10, v7.9.3, v7.8.4, v7.7.5, v7.1.9 or higher.
Is CVE-2023-2193 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-2193 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-2193?
CVE-2023-2193 affects Mattermost Mattermost.
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