CVE-2020-2166

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Jenkins Pipeline: AWS Steps Plugin 1.40 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
Jenkins project	Jenkins Pipeline: AWS Steps Plugin	>= unspecified, <= 1.40

References

http://www.openwall.com/lists/oss-security/2020/03/25/2Mailing List, Third Party Advisory
https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1741Vendor Advisory
http://www.openwall.com/lists/oss-security/2020/03/25/2Mailing List, Third Party Advisory
https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1741Vendor Advisory

Timeline

Published: Mar 25, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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