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TI-2021-04727 Aliases CVE-2021-21647GHSA-7rx6-4vwv-432g

Missing authorization in Jenkins CloudBees CD Plugin

Priority LOW 23CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-862.

Summary

Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.

Why it matters now

EPSS 0.01456 73rd percentileScored 2026-11-07
Fix Fixed Jenkins CloudBees CD Plugin (Jenkins project): 1.1.18.1org.jenkins-ci.plugins:electricflow (Maven): 1.1.18.1, 1.1.22

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins CloudBees CD Pluginup to 1.1.211.1.18.1Patch availableCNA
—org.jenkins-ci.plugins:electricflow (Maven)before 1.1.18.11.1.18.1Patch availableGHSA-7rx6-4vwv-432g
—org.jenkins-ci.plugins:electricflow (Maven)1.1.19 to before 1.1.221.1.22Patch availableGHSA-7rx6-4vwv-432g
  • Jenkins CloudBees CD Plugin VendorJenkins Affected up to 1.1.21 Fixed in 1.1.18.1 Patch available CNA
  • org.jenkins-ci.plugins:electricflow (Maven) Vendor— Affected before 1.1.18.1 Fixed in 1.1.18.1 Patch available GHSA-7rx6-4vwv-432g
  • org.jenkins-ci.plugins:electricflow (Maven) Vendor— Affected 1.1.19 to before 1.1.22 Fixed in 1.1.22 Patch available GHSA-7rx6-4vwv-432g

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:cloudbees_cd:*:*:*:*:*:jenkins:*:*up to 1.1.21VulnerableJenkins
  • cpe:2.3:a:jenkins:cloudbees_cd:*:*:*:*:*:jenkins:*:* Versions up to 1.1.21 Vulnerable ·Jenkins

Remediation

  • Fix · CNA Jenkins CloudBees CD Plugin (Jenkins project) Fixed in 1.1.18.1
  • Fix · GHSA-7rx6-4vwv-432g org.jenkins-ci.plugins:electricflow (Maven) Fixed in 1.1.18.1 Advisory →
  • Fix · GHSA-7rx6-4vwv-432g org.jenkins-ci.plugins:electricflow (Maven) Fixed in 1.1.22 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21647
  2. 2026-10-03 Alias added: GHSA-7rx6-4vwv-432g

References

  • TI-2023-25156 Link following in Jenkins CloudBees CD Plugin CVSS 3.1HIGH 8.1
  • TI-2023-25157 Link following in Jenkins CloudBees CD Plugin CVSS 3.1MEDIUM 6.5

Sources