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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.028 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Kubernetes — versions 1.5.0, 1.5.1, 1.5.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kubernetes/kubernetes/issues/43459 (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.