# CVE-2023-30531: Jenkins Consul KV Builder Plugin stores HashiCorp Consul ACL Token unencrypted

> Attackers can observe and capture HashiCorp Consul ACL Tokens from the Jenkins global configuration form due to lack of masking.

- **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:** 12 Apr 2023
- **Updated:** 7 Feb 2025
- **Also known as:** GHSA-54cw-rvr3-w6cx

## What is CVE-2023-30531?

CVE-2023-30531 is a medium-severity vulnerability in Jenkins Consul KV Builder Plugin, published on 12 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Jenkins Consul KV Builder Plugin 2.0.13 and earlier does not mask the HashiCorp Consul ACL Token on the global configuration form, increasing the potential for attackers to observe and capture it.

Weakness: CWE-312 (Cleartext Storage of Sensitive Information)

## Which versions are affected by CVE-2023-30531?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.jenkins-ci.plugins:consul-kv-builder` | Maven | All versions to 2.0.13 | None |
| `org.jenkins-ci.plugins:consul-kv-builder` | Maven | All versions to 2.0.13 | None |

Products: Jenkins Consul Kv Builder.

## How do I fix CVE-2023-30531?

No fix has been published for CVE-2023-30531 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-30531 being exploited?

There is no known exploitation of CVE-2023-30531 in the wild and no public exploit code.

## Other vulnerabilities in Jenkins Consul KV Builder Plugin

- [CVE-2023-30530](https://insights.sbomify.com/CVE-2023-30530/): Jenkins Consul KV Builder Plugin stores HashiCorp Consul ACL Token unencrypted (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-30531 and fix it if it is affected.

What it is: CVE-2023-30531 is a medium-severity vulnerability in Jenkins Consul KV Builder Plugin, published on 12 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-30531 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.jenkins-ci.plugins:consul-kv-builder (Maven): affected all versions up to 2.0.13; no fix listed
- org.jenkins-ci.plugins:consul-kv-builder (Maven): affected all versions up to 2.0.13; 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-2023-30531/ (Markdown: https://insights.sbomify.com/CVE-2023-30531/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-30531
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-30531
- OSV: https://osv.dev/vulnerability/CVE-2023-30531

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-30531/
Summaries are generated and may contain mistakes; the official description above is the record.