UpHeron
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Servers and applications

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.

Severity
Medium 5.0
Published
17 Oct 2014
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3% in the next 30 daysHigher than 87% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Information exposure (CWE-200)
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
JenkinsServers and applications · cpe:a:jenkins:jenkins
  • Every version up to 1.532.1
  • Every version up to 1.550

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2014-2064
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2014-2064