VULNERABILITY INTELLIGENCE

CVE-2021-21677

CVSS score8.8 HIGH

EPSS probability2.21%

CISA KEVNot currently listed

Published2021-08-31

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

nvd@nist.gov: CWE-502

Primary references

jenkinsci-cert@googlegroups.com — Mailing List, Third Party Advisory
jenkinsci-cert@googlegroups.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory