CVE-2016-7075

Severity: high (CVSS 8.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-09-10 · updated 2026-06-17
Weakness: CWE-295

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.

Affected products

Kubernetes: all versions
Openshift: 3.1, 3.2, 3.3

References

https://access.redhat.com/errata/RHSA-2016:2064
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7075
https://github.com/kubernetes/kubernetes/issues/34517
https://access.redhat.com/errata/RHSA-2016:2064
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7075
https://github.com/kubernetes/kubernetes/issues/34517

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