# CVE-2021-21644: CSRF vulnerability in Jenkins Config File Provider Plugin allows deleting configuration files

> Attackers can delete configuration files via CSRF, requiring Jenkins administrators to upgrade the Config File Provider Plugin.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 21 Apr 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-998m-f2x3-jjq4

## What is CVE-2021-21644?

CVE-2021-21644 is a medium-severity vulnerability in Jenkins Config File Provider Plugin, published on 21 Apr 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A cross-site request forgery (CSRF) vulnerability in Jenkins Config File Provider Plugin 3.7.0 and earlier allows attackers to delete configuration files corresponding to an attacker-specified ID.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2021-21644?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:config-file-provider. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.jenkins-ci.plugins:config-file-provider` | Maven | All versions | 3.7.1 |
| `org.jenkins-ci.plugins:config-file-provider` | Maven | All versions | 3.7.1 |

Products: Jenkins Config File Provider.

## How do I fix CVE-2021-21644?

Upgrade org.jenkins-ci.plugins:config-file-provider to 3.7.1 or later.

## Is CVE-2021-21644 being exploited?

There is no known exploitation of CVE-2021-21644 in the wild and no public exploit code.

## Other vulnerabilities in Jenkins Config File Provider Plugin

- [CVE-2021-21642](https://insights.sbomify.com/CVE-2021-21642/): XML External Entity Reference vulnerability in Jenkins Config File Provider Plugin (high 8.1)
- [CVE-2018-1000414](https://insights.sbomify.com/CVE-2018-1000414/): CSRF vulnerability in Config File Provider Plugin (high 8.1)
- [CVE-2023-40339](https://insights.sbomify.com/CVE-2023-40339/): Jenkins Config File Provider Plugin improper credential masking vulnerability (high 7.5)
- [CVE-2021-21643](https://insights.sbomify.com/CVE-2021-21643/): Incorrect permission checks in Jenkins Config File Provider Plugin allow enumerating credentials IDs (medium 6.5)
- [CVE-2017-1000104](https://insights.sbomify.com/CVE-2017-1000104/): Improper Privilege Management in Jenkins Config File Provider Plugin (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-21644 and fix it if it is affected.

What it is: CVE-2021-21644 is a medium-severity vulnerability in Jenkins Config File Provider Plugin, published on 21 Apr 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-21644 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.jenkins-ci.plugins:config-file-provider (Maven): affected all versions; fixed in 3.7.1
- org.jenkins-ci.plugins:config-file-provider (Maven): affected all versions; fixed in 3.7.1

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-21644/ (Markdown: https://insights.sbomify.com/CVE-2021-21644/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-21644
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-21644
- OSV: https://osv.dev/vulnerability/CVE-2021-21644

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-21644/
Summaries are generated and may contain mistakes; the official description above is the record.