What is CVE-2014-2064?

CVE-2014-2064 is a vulnerability in Jenkins, classified under Information Disclosure. Published 2014-10-17.

Is CVE-2014-2064 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Jenkins

CVE-2014-2064

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.

Vulnerability class: Information Disclosure

Published 2014-10-17 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.030 (86.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Jenkins

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

github.com/jenkinsci/jenkins/commit/fbf96734470caba9364f04e0b77b0bae7293a1ec (Patch)
www.openwall.com/lists/oss-security/2014/02/21/2 (mailing-list)
wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2014-02-14 (Vendor Advisory)

Frequently asked questions

What is CVE-2014-2064?: CVE-2014-2064 is a vulnerability in Jenkins, classified under Information Disclosure. Published 2014-10-17.
Is CVE-2014-2064 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.