CVE-2020-2300: Jenkins Active Directory

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Jenkins Active Directory Plugin 2.19 and earlier does not prohibit the use of an empty password in Windows/ADSI mode, which allows attackers to log in to Jenkins as any user depending on the configuration of the Active Directory server.

Affected products

• Jenkins Active Directory: up to and including 2.19

Published 2020-11-04. Last modified 2026-06-17.