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CVE-2025-4563

2.7 · LOW

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

Published Jun 23, 2025CWE-20EPSS 0.83%

Overview

CVE-2025-4563 is a low-severity vulnerability. It was published on June 23, 2025 and has a CVSS 3.1 base score of 2.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 2.7, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/kubernetes/kubernetes/issues/132151Refgroups.google.com/g/kubernetes-security-announce/c/Zv84LMRuvMQ

How CyberStrike helps

Frequently asked questions

What is CVE-2025-4563?

CVE-2025-4563 is a low-severity vulnerability. It was published on June 23, 2025 and has a CVSS 3.1 base score of 2.7 (LOW).

How severe is CVE-2025-4563?

This vulnerability has a CVSS 3.1 base score of 2.7, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-4563?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-4563?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-4563 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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