# CVE-2019-16566: Jenkins Team Concert Plugin missing permission check

> Attackers with read permissions can capture stored credentials by connecting to malicious URLs due to missing permission checks in the plugin.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Dec 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-c998-c4f6-vjw2

## What is CVE-2019-16566?

CVE-2019-16566 is a medium-severity missing authorization vulnerability in Jenkins Team Concert Plugin, published on 17 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A missing permission check in Jenkins Team Concert Plugin 1.3.0 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2019-16566?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.jenkins-ci.plugins:teamconcert` | Maven | All versions to 1.3.0 | None |
| `org.jenkins-ci.plugins:teamconcert` | Maven | All versions to 1.3.0 | None |

Products: Jenkins Team Concert.

## How do I fix CVE-2019-16566?

No fix has been published for CVE-2019-16566 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-16566 being exploited?

There is no known exploitation of CVE-2019-16566 in the wild and no public exploit code.

## Other vulnerabilities in Jenkins Team Concert Plugin

- [CVE-2019-16565](https://insights.sbomify.com/CVE-2019-16565/): Jenkins Team Concert Plugin cross-site request forgery vulnerability (high 8.8)
- [CVE-2023-3315](https://insights.sbomify.com/CVE-2023-3315/): Jenkins Team Concert Plugin does not perform permission checks in methods implementing form validation (medium 4.3)
- [CVE-2019-16567](https://insights.sbomify.com/CVE-2019-16567/): Jenkins Team Concert Plugin missing permission check (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-16566 and fix it if it is affected.

What it is: CVE-2019-16566 is a medium-severity missing authorization vulnerability in Jenkins Team Concert Plugin, published on 17 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-16566 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.jenkins-ci.plugins:teamconcert (Maven): affected all versions up to 1.3.0; no fix listed
- org.jenkins-ci.plugins:teamconcert (Maven): affected all versions up to 1.3.0; no fix listed

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-2019-16566/ (Markdown: https://insights.sbomify.com/CVE-2019-16566/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-16566
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-16566
- OSV: https://osv.dev/vulnerability/CVE-2019-16566

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-16566/
Summaries are generated and may contain mistakes; the official description above is the record.