SB2022071981 - Cryptographic issues in Traefik
Published: July 19, 2022 Updated: May 5, 2026
Security Bulletin ID
SB2022071981
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2022-23632)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to insecure TLS configuration choice when configuring mTLS between Traefik and clients. A remote attacker can force the application to use less secure TLS configuration, that can result in successful man-in-the-middle attacks.
Remediation
Install update from vendor's website.