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Vulnerabilities

Vulnerability · CVE-2025-4563

A vulnerability exists in the NodeRestriction admission controller where nodes can bypass dynamic resource allocation authorization checks.

Published Jun 6, 2025 · catalog updated Jun 23, 2025 · Kubernetes Kubernetes

Check if you run it

No confirmed exploitation is on record for CVE-2025-4563. EPSS is 0.83%. Act only if a listed version of Kubernetes Kubernetes is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.83%
Remediation
Advisory link
Affected products
vendor Kubernetes Kubernetes v1.32.0 - v1.32.5

A vulnerability exists in the NodeRestriction admission controller where nodes can bypass dynamic resource allocation authorization checks. When the DynamicResourceAllocation feature gate is enabled, the controller properly validates resource claim statuses during pod status updates but fails to perform equivalent validation during pod creation. This allows a compromised node to create mirror pods that access unauthorized dynamic resources, potentially leading to privilege escalation.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Kubernetes Kubernetes v1.32.0 - v1.32.5v1.32.0 - v1.32.5

How to fix CVE-2025-4563

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-4563. EPSS is 0.83%. Act only if a listed version of Kubernetes Kubernetes is installed.

Which versions are affected?

Compare what you have installed with Kubernetes Kubernetes v1.32.0 - v1.32.5 v1.32.0 - v1.32.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.83%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Kubernetes security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 6, 2025 · Kubernetes Security

    Detected

    Nodes can bypass dynamic resource allocation authorization checks

  2. Jun 23, 2025 · EUVD

    Updated

    A vulnerability exists in the NodeRestriction admission controller where nodes can bypass dynamic resource allocation authorization checks. When the DynamicResourceAllocation feature gate is enabled, the controller properly validates resource claim statuses during pod status updates but fails to perform equivalent validation during pod creation. This allows a compromised node to create mirror pods

Sources

  • CVE.orgVulnerability recordCVE-2025-4563

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-4563

    30-day exploitation probability 0.8%

    first.org
  • EUVDVulnerability recordEUVD-2025-18894

    A vulnerability exists in the NodeRestriction admission controller where nodes can bypass dynamic resource allocation authorization checks. When the DynamicResourceAllocation feature gate is enabled, the controller properly validates resource claim statuses during pod status upda

    euvd.enisa.europa.eu
  • Kubernetes SecurityVendor advisoryCVE-2025-4563

    Nodes can bypass dynamic resource allocation authorization checks

    github.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.