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TI-2020-02043 Aliases CVE-2020-2166GHSA-w598-25hm-jqx3

Improper input validation in Jenkins Pipeline: AWS Steps Plugin

Priority MEDIUM 42CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.

Summary

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.

Why it matters now

EPSS 0.02034 81st percentileScored 2026-11-07
Fix Fixed de.taimos:pipeline-aws (Maven): 1.41

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Pipeline: AWS Steps Pluginup to 1.40—No fix listedCNA
—de.taimos:pipeline-aws (Maven)before 1.411.41Patch availableGHSA-w598-25hm-jqx3
  • Jenkins Pipeline: AWS Steps Plugin VendorJenkins Affected up to 1.40 Fixed in — No fix listed CNA
  • de.taimos:pipeline-aws (Maven) Vendor— Affected before 1.41 Fixed in 1.41 Patch available GHSA-w598-25hm-jqx3

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:pipeline\:_aws_steps:*:*:*:*:*:jenkins:*:*_aws_stepsVulnerableJenkins
  • cpe:2.3:a:jenkins:pipeline\:_aws_steps:*:*:*:*:*:jenkins:*:* Versions _aws_steps Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-w598-25hm-jqx3 de.taimos:pipeline-aws (Maven) Fixed in 1.41 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-2166
  2. 2026-10-03 Alias added: GHSA-w598-25hm-jqx3

References

Advisory 3

Other 1

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15846 A sandbox bypass vulnerability exists in Pipeline: Groovy Plugin 2.61 and earlier in… CVSS 3.1HIGH 8.8
  • TI-2019-15847 A sandbox bypass vulnerability exists in Pipeline: Declarative Plugin 1.3.3 and earlier… CVSS 3.1HIGH 8.8
  • TI-2023-11034 Cross-site scripting in Jenkins Pipeline: Build Step Plugin CVSS 3.1MEDIUM 5.4
  • TI-2019-15886 A sandbox bypass vulnerability in Jenkins Pipeline: Groovy Plugin 2.64 and earlier allows… CVSS 3.1CRITICAL 9.8
  • TI-2022-21197 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin CVSS 3.1CRITICAL 9.9
See all 39 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences