CVE-2023-3893 HIGH

CVE-2023-3893: Kubernetes - csi-proxy - Insufficient input sanitization leads to privilege escalation

Vendor Kubernetes
Product csi-proxy
Weakness CWE-20 · Input validation
Published November 3, 2023
Last update February 13, 2025

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 3, 2023 CVE published
February 13, 2025 Record updated