What is CVE-2017-1000056?

CVE-2017-1000056 is a critical-severity vulnerability in Kubernetes, classified under Missing Authorization. CVSS score: 9.8/10. Published 2017-07-17.

How severe is CVE-2017-1000056?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2017-1000056 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Kubernetes

CVE-2017-1000056

Kubernetes version 1.5.0-1.5.4 is vulnerable to a privilege escalation in the PodSecurityPolicy admission plugin resulting in the ability to make use of any existing PodSecurityPolicy object.

Vulnerability class: Broken Access Control

EPSS: 0.024 (82.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Kubernetes — versions 1.5.0, 1.5.1, 1.5.2
N/a — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2017-1000056?: CVE-2017-1000056 is a critical-severity vulnerability in Kubernetes, classified under Missing Authorization. CVSS score: 9.8/10. Published 2017-07-17.
How severe is CVE-2017-1000056?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-1000056 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.