Vulnerability Details : CVE-2021-21677
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.
Vulnerability category: Execute code
Exploit prediction scoring system (EPSS) score for CVE-2021-21677
Probability of exploitation activity in the next 30 days: 0.38%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 72 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-21677
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-21677
-
The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.Assigned by:
- jenkinsci-cert@googlegroups.com (Primary)
- nvd@nist.gov (Primary)
References for CVE-2021-21677
-
https://www.jenkins.io/security/advisory/2021-08-31/#SECURITY-2376
Jenkins Security Advisory 2021-08-31Vendor Advisory
-
http://www.openwall.com/lists/oss-security/2021/08/31/1
oss-security - Multiple vulnerabilities in Jenkins pluginsMailing List;Third Party Advisory
Products affected by CVE-2021-21677
- cpe:2.3:a:jenkins:code_coverage_api:*:*:*:*:*:jenkins:*:*