CVE-2017-1000056: kubernetes Missing Authorization
Vulnerability summary
CVE-2017-1000056 is a critical (CVSS 9.8) Missing Authorization vulnerability in kubernetes. EPSS estimates a 2.84% chance of exploitation in the next 30 days, higher than 86.6% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 13-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 3 versions- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.84%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.84% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- kubernetes< 1.5.5+dfsg-1
K8s.io1 product
- kubernetes≥ 1.5.0, < 1.5.5
Kubernetes1 product
- kubernetes1.5.0 | 1.5.1 | 1.5.2 | 1.5.3 | 1.5.4
3 vendors · 3 products