RCE vulnerability in Jenkins AWS SAM Plugin
AWS SAM Plugin 1.2.2 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types. This results in a remote code execution (RCE) vulnerability exploitable by users able to configure a job or control the contents of a previously configured "AWS SAM deploy application" build step’s YAML SAM template file (template.yaml or equivalent) file.
AWS SAM Plugin 1.2.3 configures its YAML parser to only instantiate safe types.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | io.jenkins.plugins:aws-sam | < 1.2.3 | 1.2.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-2180
- https://github.com/jenkinsci/aws-sam-plugin/commit/6ddcb029638b5af05df701a11139d6a6c015ab7e
- https://github.com/jenkinsci/aws-sam-plugin
- https://jenkins.io/security/advisory/2020-04-16/#SECURITY-1736
- http://www.openwall.com/lists/oss-security/2020/04/16/4
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-502- Platform
- Java / Kotlin (Maven)
- Package
io.jenkins.plugins:aws-sam- Disclosed
- 24.05.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-qrm8-cw73-r9w8 - CC BY 4.0
Vulnerability history: io.jenkins.plugins:aws-sam
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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