CVE-2020-2121
HIGHCVSS 8.8/10EPSS 2.74%
Last modified
CVE-2020-2121 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 2.74% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Google Kubernetes Engine | <= 0.8.0 |
References
- http://www.openwall.com/lists/oss-security/2020/02/12/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/02/12/3Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-2121?
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.
How severe is CVE-2020-2121?
CVE-2020-2121 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.74% probability of exploitation in the next 30 days.
How do I fix CVE-2020-2121?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-2121?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST