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CVE-2023-5528

HIGHCVSS 8.8/10EPSS 3.58%

Last modified

CVE-2023-5528 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A security issue was discovered in Kubernetes where a user that can create pods and persistent volumes on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they are using an in-tree storage plugin for Windows nodes.. EPSS estimates a 3.58% chance of exploitation in the next 30 days.

Description

A security issue was discovered in Kubernetes where a user that can create pods and persistent volumes on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they are using an in-tree storage plugin for Windows nodes.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
3.58%

87.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
KubernetesKubernetes>= 1.8.0, < 1.25.16
KubernetesKubernetes>= 1.26.0, < 1.26.11
KubernetesKubernetes>= 1.27.0, < 1.27.8
KubernetesKubernetes>= 1.28.0, < 1.28.4
FedoraprojectFedora37
FedoraprojectFedora38
FedoraprojectFedora39

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2023-5528?
A security issue was discovered in Kubernetes where a user that can create pods and persistent volumes on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they are using an in-tree storage plugin for Windows nodes.
How severe is CVE-2023-5528?
CVE-2023-5528 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.58% probability of exploitation in the next 30 days.
How do I fix CVE-2023-5528?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST