CVE-2014-2064: Jenkins

Medium severity, CVSS 5.0. EPSS: 3% chance of exploitation in the next 30 days.

The loadUserByUsername function in hudson/security/HudsonPrivateSecurityRealm.java in Jenkins before 1.551 and LTS before 1.532.2 allows remote attackers to determine whether a user exists via vectors related to failed login attempts.

Affected products

• Jenkins Jenkins: up to and including 1.532.1; up to and including 1.550

Published 2014-10-17. Last modified 2026-06-17.