CVE-2020-2121 json
RCE vulnerability in Google Kubernetes Engine Plugin
published 2020-02-12 6 y ago modified 2026-06-17 4 mo ago also GHSA-wf76-qgqq-gcfj , EUVD-2022-5561
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.7%
- EPSS 2.7% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
Jenkins Google Kubernetes Engine Plugin 0.8.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
Patch / fix
- maven org.jenkins-ci.plugins:google-kubernetes-engine 0.8.1
Exploit prediction
2.74% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:google-kubernetes-engine | <0.8.1 |
0.8.1 |
Affected products
- Jenkins project Jenkins Google Kubernetes Engine Plugin
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
jenkins.io
/security/advisory/2020-02-12/#SECURITY-1731
web, vendor-advisory
-
openwall.com
/lists/oss-security/2020/02/12/3
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-2121
advisory
-
github.com
/jenkinsci/google-kubernetes-engine-plugin
package
Sources
- CVE List CVE-2020-2121
- GitHub Advisory GHSA-wf76-qgqq-gcfj
- NVD CVE-2020-2121
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