CVE-2023-3893

Name: CVE-2023-3893
Creator: NVD / NIST
Published: 2023-11-03T18:15:08.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.86%

Last modified Jun 17, 2026

CVE-2023-3893 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 on Windows nodes running kubernetes-csi-proxy may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes running kubernetes-csi-proxy.. EPSS estimates a 2.86% chance of exploitation in the next 30 days.

Description

A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes running kubernetes-csi-proxy may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes running kubernetes-csi-proxy.

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

2.86%

85.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Kubernetes	Csi Proxy	<= 1.1.2	—
Kubernetes	Csi Proxy	2.0.0	Alpha0

References

https://github.com/kubernetes/kubernetes/issues/119594Issue Tracking, Vendor Advisory
https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQMailing List
https://security.netapp.com/advisory/ntap-20231221-0004/Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/119594Issue Tracking, Vendor Advisory
https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQMailing List
https://security.netapp.com/advisory/ntap-20231221-0004/Third Party Advisory

Timeline

Published: Nov 3, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-3893?

How severe is CVE-2023-3893?

CVE-2023-3893 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.86% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3893?

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.

Are you affected by CVE-2023-3893?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST