CVE-2023-37943: Jenkins Active Directory

Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days.

Jenkins Active Directory Plugin 2.30 and earlier ignores the "Require TLS" and "StartTls" options and always performs the connection test to Active directory unencrypted, allowing attackers able to capture network traffic between the Jenkins controller and Active Directory servers to obtain Active Directory credentials.

Affected products

• Jenkins Active Directory: up to and including 2.30

Published 2023-07-12. Last modified 2026-06-17.