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CVE-2014-2064

17
FAUCET Score

CVE-2014-2064 is a vulnerability in Jenkins versions prior to 1.551 and LTS prior to 1.532.2, specifically within the loadUserByUsername function. This flaw allows unauthenticated remote attackers to enumerate valid usernames by observing differences in failed login attempts. With a CVSS score of 5.0, it is considered a medium severity vulnerability, requiring no authentication and having a low attack complexity, potentially leading to information disclosure (CWE-200). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.532.1CPE matchmatch criteria
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
<= 1.550CPE matchmatch criteria
cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.95%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0295 is in the 80th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.jenkins-ci.main:jenkins-coreFixed in: 1.551
mavenpatch availablevia ghsa
Product: org.jenkins-ci.main:jenkins-coreFixed in: 1.532.2
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Enterprise 2.1Fixed in: jenkins-plugin-openshift-0:0.6.40.1-0.el6op
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Enterprise 2.1Fixed in: jenkins-0:1.565.3-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Enterprise 2.1Fixed in: openshift-origin-cartridge-jenkins-0:1.20.3.5-1.el6op
View patch
redhatend of lifevia redhat_api
Product: OpenShift Enterprise 1Fixed in: jenkins

Vendor Advisories (2)

mavenGHSA-9vg9-x38g-9hfxmedium

Jenkins allows attackers to determine whether a user exists

May 17, 2022
redhatCVE-2014-2064Moderate

jenkins: failed log in attemps revealing if a user is valid or not (SECURITY-79)

Feb 7, 2014

References

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