Summary
generated automatically from NVD dataKubernetes, as used in Red Hat OpenShift Enterprise 3 (versions 3.1, 3.2 and 3.3 are listed as affected), fails to properly validate the host name fields of X.509 client intermediate certificates. This certificate validation weakness (CWE-295) lets an attacker present a specially crafted X.509 certificate and bypass authentication requirements over the network, with no privileges or user interaction. The flaw is rated HIGH with a CVSS v3.0 score of 7.5, mainly affecting integrity.
NVD description
It was found that Kubernetes as used by Openshift Enterprise 3 did not correctly validate X.509 client intermediate certificate host name fields. An attacker could use this flaw to bypass authentication requirements by using a specially crafted X.509 certificate.
EPSS · FIRST.org
1.6%probability of exploitation in the next 30 days
Higher than 75% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-30, recomputed daily by FIRST.org.
CVSS v3.0 Score
Information
- Published
- 10 sept. 2018
- Updated
- 17 juin 2026
- Status
- Modified
- Source
- secalert@redhat.com
Affected products
Bounds published by NVD: "< 8.4.27" means 8.4.27 is no longer vulnerable. The fixed release to install is in the vendor advisory.
Weaknesses (CWE)
References (6)
- https://access.redhat.com/errata/RHSA-2016:2064Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7075Issue TrackingThird Party Advisory
- https://github.com/kubernetes/kubernetes/issues/34517ExploitPatchThird Party Advisory
- https://access.redhat.com/errata/RHSA-2016:2064Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7075Issue TrackingThird Party Advisory
- https://github.com/kubernetes/kubernetes/issues/34517ExploitPatchThird Party Advisory
Similar CVEs
Other vulnerabilities of type CWE-295
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