How severe is CVE-2020-2211?

CVE-2020-2211 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-2211 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2211?

CVE-2020-2211 affects Jenkins Kubernetes Ci. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2211?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-2211 published?

CVE-2020-2211 was published on 2020-07-02 and last updated on 2026-06-17.

CVE-2020-2211

CVE-2020-2211 is a high-severity vulnerability in Jenkins Kubernetes Ci with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Jenkins Kubernetes Ci
Published: 2020-07-02
Last modified: 2026-06-17

Description

Jenkins ElasticBox Jenkins Kubernetes CI/CD Plugin 1.3 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.

Frequently asked questions

What is CVE-2020-2211?: Jenkins ElasticBox Jenkins Kubernetes CI/CD Plugin 1.3 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-2020-2211?: CVE-2020-2211 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-2211 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2211?: CVE-2020-2211 affects Jenkins Kubernetes Ci. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2211?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-2211 published?: CVE-2020-2211 was published on 2020-07-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:kubernetes_ci:*:*:*:*:*:jenkins:*:*

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