# CVE-2019-10318: Jenkins Azure AD Plugin stored the client secret unencrypted

> Attackers with file system access can read unencrypted Azure AD client secrets from the Jenkins configuration file.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 30 Apr 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-jcwj-j574-8j2c

## What is CVE-2019-10318?

CVE-2019-10318 is a high-severity vulnerability in Jenkins Azure AD Plugin, published on 30 Apr 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Jenkins Azure AD Plugin 0.3.3 and earlier stored the client secret unencrypted in the global config.xml configuration file on the Jenkins master where it could be viewed by users with access to the master file system.

Weakness: CWE-522 (Insufficiently Protected Credentials)

## Which versions are affected by CVE-2019-10318?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.jenkins-ci.plugins:azure-ad` | Maven | All versions | 0.3.4 |
| `org.jenkins-ci.plugins:azure-ad` | Maven | All versions | 0.3.4 |

Products: Jenkins Azure Ad.

## How do I fix CVE-2019-10318?

Upgrade org.jenkins-ci.plugins:azure-ad to 0.3.4 or later.

## Is CVE-2019-10318 being exploited?

There is no known exploitation of CVE-2019-10318 in the wild and no public exploit code.

## Other vulnerabilities in Jenkins Azure AD Plugin

- [CVE-2023-24426](https://insights.sbomify.com/CVE-2023-24426/): Insufficient Session Expiration in Jenkins Azure AD Plugin (high 8.8)
- [CVE-2021-21679](https://insights.sbomify.com/CVE-2021-21679/): Jenkins Azure AD Plugin allows bypassing CSRF protection for any URL (high 8.8)
- [CVE-2023-41935](https://insights.sbomify.com/CVE-2023-41935/): Non-constant time nonce comparison in Jenkins Microsoft Entra ID (previously Azure AD) Plugin (high 7.5)
- [CVE-2020-2119](https://insights.sbomify.com/CVE-2020-2119/): Client secret transmitted in plain text by Azure AD Plugin (medium 5.3)
- [CVE-2026-42525](https://insights.sbomify.com/CVE-2026-42525/): Jenkins Microsoft Entra ID (previously Azure AD) Plugin has an open redirect vulnerability (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-10318 and fix it if it is affected.

What it is: CVE-2019-10318 is a high-severity vulnerability in Jenkins Azure AD Plugin, published on 30 Apr 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-2019-10318 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.jenkins-ci.plugins:azure-ad (Maven): affected all versions; fixed in 0.3.4
- org.jenkins-ci.plugins:azure-ad (Maven): affected all versions; fixed in 0.3.4

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-2019-10318/ (Markdown: https://insights.sbomify.com/CVE-2019-10318/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-10318
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-10318
- OSV: https://osv.dev/vulnerability/CVE-2019-10318

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-10318/
Summaries are generated and may contain mistakes; the official description above is the record.