Advisory Published
CVE Published
Advisory Published

CVE-2023-5528: [kubernetes] CVE-2023-5528: Insufficient input sanitization in in-tree storage plugin leads to privilege escalation on Windows nodes

First published: Tue Nov 14 2023(Updated: )

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.

Credit: jordan@liggitt.net jordan@liggitt.net

Affected SoftwareAffected VersionHow to fix

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is CVE-2023-5528?

    CVE-2023-5528 is a vulnerability in Kubernetes that allows a user to escalate to admin privileges on Windows nodes.

  • How does CVE-2023-5528 impact Kubernetes clusters?

    Kubernetes clusters are affected if they are using an in-tree storage plugin for Windows nodes.

  • What is the severity of CVE-2023-5528?

    The severity of CVE-2023-5528 is high with a CVSS score of 7.2.

  • How can I fix CVE-2023-5528?

    To fix CVE-2023-5528, update Kubernetes to version 1.25.16, 1.26.11, 1.27.8, or 1.28.4.

  • Where can I find more information about CVE-2023-5528?

    More information about CVE-2023-5528 can be found in the following references: [GitHub](https://github.com/kubernetes/kubernetes/issues/121879), [Google Groups](https://groups.google.com/g/kubernetes-security-announce/c/SL_d4NR8pzA), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-5528).


SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2023 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203