SB2024013010 - Improper access control in authentik
Published: January 30, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2024-23647)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the PKCE implementation. A remote attacker can bypass implemented security restrictions and perform a PKCE downgrade attack on the system.
Remediation
Install update from vendor's website.