# CVE-2020-2182: Improper masking of some secrets in Jenkins Credentials Binding Plugin

> Attackers can view unmasked secrets containing dollar signs in Jenkins logs or build outputs due to improper masking in the Credentials Binding Plugin.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:** Yes
- **Published:** 6 May 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-7ff8-qfwx-8gx5

## What is CVE-2020-2182?

CVE-2020-2182 is a medium-severity vulnerability in Jenkins Credentials Binding Plugin, published on 6 May 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Jenkins Credentials Binding Plugin 1.22 and earlier does not mask (i.e., replace with asterisks) secrets containing a `$` character in some circumstances.

Weakness: CWE-522 (Insufficiently Protected Credentials)

## Which versions are affected by CVE-2020-2182?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.jenkins-ci.plugins:credentials-binding` | Maven | All versions | 1.23 |
| `org.jenkins-ci.plugins:credentials-binding` | Maven | All versions | 1.23 |

Products: Jenkins Credentials Binding.

## How do I fix CVE-2020-2182?

Upgrade org.jenkins-ci.plugins:credentials-binding to 1.23 or later.

## Is CVE-2020-2182 being exploited?

There is no known exploitation of CVE-2020-2182 in the wild and no public exploit code.

## Other vulnerabilities in Jenkins Credentials Binding Plugin

- [CVE-2026-48922](https://insights.sbomify.com/CVE-2026-48922/): Jenkins Credentials Binding Plugin does not properly sanitize file names for file and zip file credentials (high 7.5)
- [CVE-2026-42520](https://insights.sbomify.com/CVE-2026-42520/): Jenkins Credentials Binding Plugin has a path traversal vulnerability (high 7.5)
- [CVE-2025-53650](https://insights.sbomify.com/CVE-2025-53650/): Jenkins Credentials Binding Plugin vulnerability can expose sensitive information in logger messages (high 7.3)
- [CVE-2020-2181](https://insights.sbomify.com/CVE-2020-2181/): Secrets are not masked by Jenkins Credentials Binding Plugin in builds without build steps (medium 6.5)
- [CVE-2019-1010241](https://insights.sbomify.com/CVE-2019-1010241/): Jenkins Credentials Binding Plugin Stores Passwords in a Recoverable Format (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-2182 and fix it if it is affected.

What it is: CVE-2020-2182 is a medium-severity vulnerability in Jenkins Credentials Binding Plugin, published on 6 May 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-2182 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.jenkins-ci.plugins:credentials-binding (Maven): affected all versions; fixed in 1.23
- org.jenkins-ci.plugins:credentials-binding (Maven): affected all versions; fixed in 1.23

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-2020-2182/ (Markdown: https://insights.sbomify.com/CVE-2020-2182/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-2182
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-2182
- OSV: https://osv.dev/vulnerability/CVE-2020-2182

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-2182/
Summaries are generated and may contain mistakes; the official description above is the record.