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No exploitation reportedFix available

CVE-2016-7075

No exploitation reported by the sources we read.

  • Published2018-09-10
  • WeaknessCWE-295

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2018-09-1014:29CVE publishedNVD

Versions per branch

NVD
Redhat openshift
BranchAffectedFixed in
3.1= 3.1no fix published
3.2= 3.2no fix published
3.3= 3.3no fix published
Kubernetes
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • atomic-openshiftRed Hat:openshift:3.3::el7all versions · fixed in 0:3.3.0.35-1.git.0.d7bd9b6.el7and 9 other packages
  • atomic-openshiftRed Hat:openshift:3.2::el7all versions · fixed in 0:3.2.1.17-1.git.0.6d01b60.el7and 10 other packages
  • atomic-openshiftRed Hat:openshift:3.1::el7all versions · fixed in 0:3.1.1.8-1.git.0.d469026.el7aosand 9 other packages
  • kubectl-1.33MinimOSall versions · fixed in 0and 118 other packages
  • kubelet-1.33MinimOSall versions · no fixed version listedand 3 other packages
  • kubernetesDebian:14all versions · fixed in 1.5.5+dfsg-1
  • kubernetesDebian:13all versions · fixed in 1.5.5+dfsg-1
  • kubernetesDebian:12all versions · fixed in 1.5.5+dfsg-1

3 more package ranges on OSV.dev

Vendor advisories

  • CVE-2016-7075 Red Hat Product Security34 products fixed

    3: API server does not validate client-provided intermediate certificates correctly

  • RHSA-2016:2064 Red Hat Product Security34 products fixed

    Red Hat Security Advisory: atomic-openshift security update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2016:2064 · 34 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. To apply this update, see the following cluster upgrade documentation that relates to your installed version of OpenShift Container Platform. For OpenShift Container Platform 3.3: h…

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.07.5known since 2026-10-23
  • NVDCVSS 3.08.1read 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • CNAweakness (CWE)CWE-295known since 2026-10-23
  • NVDweakness (CWE)CWE-295read 2026-10-23
  • FIRST EPSSEPSS score1.6 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2018-09-10
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-7w66-j2r2-vm3p

Frequently asked questions

What is CVE-2016-7075?

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.

Is CVE-2016-7075 actively exploited?

Active exploitation of CVE-2016-7075 has not been confirmed. Its EPSS score was 1.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-7075?

CVE-2016-7075 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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