TI-2021-04757 Aliases CVE-2021-21677 GHSA-58pr-hprx-7hg6

Deserialization of untrusted data in Jenkins Code Coverage API Plugin

MEDIUM 42CWE-502Published 2021-08-31 · Updated 2024-08-03

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 Code Coverage API Plugin 1.4.0 and earlier does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk, resulting in a remote code execution vulnerability.

Why it matters now

EPSS 0.02213 82nd percentileScored 2026-11-07

Fix Fixed io.jenkins.plugins:code-coverage-api (Maven): 1.4.1

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Jenkins	Jenkins Code Coverage API Plugin	up to 1.4.0	—	No fix listed	CNA
—	io.jenkins.plugins:code-coverage-api (Maven)	before 1.4.1	1.4.1	Patch available	GHSA-58pr-hprx-7hg6

Jenkins Code Coverage API Plugin VendorJenkins Affected up to 1.4.0 Fixed in — No fix listed CNA
io.jenkins.plugins:code-coverage-api (Maven) Vendor— Affected before 1.4.1 Fixed in 1.4.1 Patch available GHSA-58pr-hprx-7hg6

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jenkins:code_coverage_api::::::jenkins::*	up to 1.4.0	Vulnerable	Jenkins

cpe:2.3:a:jenkins:code_coverage_api:*:*:*:*:*:jenkins:*:* Versions up to 1.4.0 Vulnerable ·Jenkins

Remediation

Fix · GHSA-58pr-hprx-7hg6 io.jenkins.plugins:code-coverage-api (Maven) Fixed in 1.4.1 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2021-21677
2026-10-03 Alias added: GHSA-58pr-hprx-7hg6

References

Advisory 3

Other 2

TI-2020-02049 XML external entity injection in Jenkins Code Coverage API Plugin CVSS 3.1MEDIUM 6.5
TI-2020-01983 Cross-site scripting in Jenkins Code Coverage API Plugin CVSS 3.1MEDIUM 5.4

Sources

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