An insecure modification flaw in the /etc/kubernetes/kubeconfig file was found in OpenShift. This flaw allows an attacker with access to a running container which mounts /etc/kubernetes or has local access to the node, to copy this kubeconfig file and attempt to add their own node to the OpenShift cluster. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects versions before openshift4/ose-machine-config-operator v4.7.0-202105111858.p0.
CVE-2020-35514
HIGHNVD 7.07.0—
EchelonGraph scoreMEDIUM confidence
This high-severity CVE scores 7.0 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 71% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.0Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.0
- EG Score
- 7.0(medium)
- EPSS
- 12.4%
- KEV
- Not listed
Published
June 2, 2021
Last Modified
November 21, 2024
References (2)
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1914714
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1914714
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2020-35514?
CVE-2020-35514 is a high vulnerability published on June 2, 2021. An insecure modification flaw in the /etc/kubernetes/kubeconfig file was found in OpenShift. This flaw allows an attacker with access to a running container which mounts /etc/kubernetes or has local access to the node, to copy this kubeconfig file and attempt to add their own node to the OpenShift…
When was CVE-2020-35514 disclosed?
CVE-2020-35514 was first published in the National Vulnerability Database on June 2, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-35514 actively exploited?
CVE-2020-35514 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-35514?
CVE-2020-35514 has a CVSS v3 base score of 7.0 (NVD).
How do I remediate CVE-2020-35514?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-35514, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2020-35514
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