Read the docs
TI-2020-02066 Aliases CVE-2020-2189GHSA-4hhq-j3xw-wj89

Deserialization of untrusted data in Jenkins SCM Filter Jervis Plugin

Priority MEDIUM 42CWE-502Published · 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 SCM Filter Jervis Plugin 0.2.1 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 0.02282 83rd percentileScored 2026-11-07
Fix Fixed io.jenkins.plugins:scm-filter-jervis (Maven): 0.3

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins SCM Filter Jervis Pluginup to 0.2.1—No fix listedCNA
—io.jenkins.plugins:scm-filter-jervis (Maven)before 0.30.3Patch availableGHSA-4hhq-j3xw-wj89
  • Jenkins SCM Filter Jervis Plugin VendorJenkins Affected up to 0.2.1 Fixed in — No fix listed CNA
  • io.jenkins.plugins:scm-filter-jervis (Maven) Vendor— Affected before 0.3 Fixed in 0.3 Patch available GHSA-4hhq-j3xw-wj89

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:source_code_management_filter_jervis:*:*:*:*:*:jenkins:*:*up to 0.2.1VulnerableJenkins
  • cpe:2.3:a:jenkins:source_code_management_filter_jervis:*:*:*:*:*:jenkins:*:* Versions up to 0.2.1 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-4hhq-j3xw-wj89 io.jenkins.plugins:scm-filter-jervis (Maven) Fixed in 0.3 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-2189
  2. 2026-10-03 Alias added: GHSA-4hhq-j3xw-wj89

References

Advisory 3

Other 2

Sources

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