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TI-2020-01986 Aliases CVE-2020-2109GHSA-99mf-f3qh-wqrp

Improper input validation in Jenkins Pipeline: Groovy Plugin

Priority MEDIUM 41CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.

Summary

Sandbox protection in Jenkins Pipeline: Groovy Plugin 2.78 and earlier can be circumvented through default parameter expressions in CPS-transformed methods.

Why it matters now

EPSS 0.01257 69th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins.workflow:workflow-cps (Maven): 2.79Red Hat: 3 advisories

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Pipeline: Groovy Pluginup to 2.78—No fix listedCNA
—org.jenkins-ci.plugins.workflow:workflow-cps (Maven)before 2.792.79Patch availableGHSA-99mf-f3qh-wqrp
  • Jenkins Pipeline: Groovy Plugin VendorJenkins Affected up to 2.78 Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins.workflow:workflow-cps (Maven) Vendor— Affected before 2.79 Fixed in 2.79 Patch available GHSA-99mf-f3qh-wqrp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:pipeline\:_groovy:*:*:*:*:*:jenkins:*:*_groovyVulnerableJenkins
  • cpe:2.3:a:jenkins:pipeline\:_groovy:*:*:*:*:*:jenkins:*:* Versions _groovy Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-99mf-f3qh-wqrp org.jenkins-ci.plugins.workflow:workflow-cps (Maven) Fixed in 2.79 Advisory →

Red Hat 3 advisories

  • RHSA-2020:3616 Released 2020-09-09 · Red Hat rating Important
    OpenShift Container Platform 4.3.35 jenkins-2-plugins security update
    • Red Hat OpenShift Container Platform 4.3 jenkins-2-plugins-4.3.1597915133-1.el7
  • RHSA-2020:2737 Released 2020-06-29 · Red Hat rating Important
    OpenShift Container Platform 4.4.z jenkins-2-plugins security update
    • Red Hat OpenShift Container Platform 4.4 jenkins-2-plugins-4.4.1592817009-1.el7
  • RHSA-2020:2478 Released 2020-06-17 · Red Hat rating Important
    OpenShift Container Platform 3.11 jenkins-2-plugins security update
    • Red Hat OpenShift Container Platform 3.11 jenkins-2-plugins-3.11.1591354111-1.el7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenShift Container Platform 3.11Fixed RHSA-2020:2478
Red Hat OpenShift Container Platform 4.3Fixed RHSA-2020:3616
Red Hat OpenShift Container Platform 4.4Fixed RHSA-2020:2737
Red Hat OpenShift Container Platform 4.5Fixed—

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-2109
  2. 2026-10-03 Alias added: GHSA-99mf-f3qh-wqrp
  3. 2026-10-30 Fix available: Red Hat OpenShift Container Platform 4.5 · Red Hat

References

Advisory 3

Other 2

  • 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