High severity8.8NVD Advisory· Published Aug 31, 2021· Updated Jun 17, 2026
CVE-2021-21677
CVE-2021-21677
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
io.jenkins.plugins:code-coverage-apiMaven | < 1.4.1 | 1.4.1 |
Affected products
3- cpe:2.3:a:jenkins:code_coverage_api:*:*:*:*:*:jenkins:*:*Range: <=1.4.0
- Range: unspecified
Patches
Vulnerability mechanics
References
5- www.openwall.com/lists/oss-security/2021/08/31/1nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-58pr-hprx-7hg6ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21677ghsaADVISORY
- www.jenkins.io/security/advisory/2021-08-31/nvdVendor AdvisoryWEB
- github.com/jenkinsci/code-coverage-api-plugin/commit/a5b3c18cff2a0b494c55fa73b05fc935b50530beghsaWEB
News mentions
1- Jenkins Security Advisory 2021-08-31Jenkins Security Advisories · Aug 31, 2021