What’s Vulnerable › Vulnerabilities

CVE-2014-2064

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-10-17 · updated 2026-06-17
• Weakness: CWE-200

Description

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: through 1.532.1; through 1.550

References

• http://www.openwall.com/lists/oss-security/2014/02/21/2
• https://github.com/jenkinsci/jenkins/commit/fbf96734470caba9364f04e0b77b0bae7293a1ec
• https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2014-02-14
• http://www.openwall.com/lists/oss-security/2014/02/21/2
• https://github.com/jenkinsci/jenkins/commit/fbf96734470caba9364f04e0b77b0bae7293a1ec
• https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2014-02-14

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