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CVE-2016-7075

It was found that Kubernetes as used by Openshift Enterprise 3 did not correctly validate X.509...

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

1.57%Up 0.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

CVE List Score used 7.5

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.

Record
CVE-2016-7075
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-295
Updated
2026-11-02
EUVDEUVD-2016-7955 7.5

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.

Record
EUVD-2016-7955
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-7w66-j2r2-vm3p 8.1

It was found that Kubernetes as used by Openshift Enterprise 3 did not correctly validate X.509...

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.

Record
GHSA-7w66-j2r2-vm3p
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-295
Updated
2026-11-02
NVD 7.5

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.

Record
CVE-2016-7075
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-295
Updated
2026-11-02
OSV 8.1

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.

Record
CVE-2016-7075
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2016-7075 8.1

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.

Record
DEBIAN-CVE-2016-7075
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2016:2064 7.5

Red Hat Security Advisory: atomic-openshift security update

Record
RHSA-2016:2064
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2016-7075 7.5

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.

Record
UBUNTU-CVE-2016-7075
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kubernetes
Debian:12
 before 1.5.5+dfsg-1
1.5.5+dfsg-1
kubernetes
Debian:13
 before 1.5.5+dfsg-1
1.5.5+dfsg-1
kubernetes
Debian:14
 before 1.5.5+dfsg-1
1.5.5+dfsg-1
atomic-openshift
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
atomic-openshift-clients
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
atomic-openshift-clients-redistributable
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
atomic-openshift-dockerregistry
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
atomic-openshift-master
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
atomic-openshift-node
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
atomic-openshift-pod
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
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Affected packages
PackageAffectedFixed
atomic-openshift-recycle
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
atomic-openshift-sdn-ovs
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
tuned-profiles-atomic-openshift-node
Red Hat:openshift:3.1::el7
 before 0:3.1.1.8-1.git.0.d469026.el7aos
0:3.1.1.8-1.git.0.d469026.el7aos
atomic-openshift
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift-clients
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift-clients-redistributable
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift-dockerregistry
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift-master
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift-node
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift-pod
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift-recycle
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift-sdn-ovs
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift-tests
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
tuned-profiles-atomic-openshift-node
Red Hat:openshift:3.2::el7
 before 0:3.2.1.17-1.git.0.6d01b60.el7
0:3.2.1.17-1.git.0.6d01b60.el7
atomic-openshift
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7
atomic-openshift-clients
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7
atomic-openshift-clients-redistributable
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7
atomic-openshift-dockerregistry
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7
atomic-openshift-master
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7
atomic-openshift-node
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7
atomic-openshift-pod
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7
atomic-openshift-sdn-ovs
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7
atomic-openshift-tests
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7
tuned-profiles-atomic-openshift-node
Red Hat:openshift:3.3::el7
 before 0:3.3.0.35-1.git.0.d7bd9b6.el7
0:3.3.0.35-1.git.0.d7bd9b6.el7

History

History
RecordedChangedSources
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-7075 is a high vulnerability (CVSS 7.5) in Kubernetes, published September 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. Fixed in kubernetes 1.5.5+dfsg-1.

References

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