CVE-2023-3955 HIGH

CVE-2023-3955: Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation

Vendor Kubernetes
Product kubelet
Weakness CWE-20 · Input validation
Published October 31, 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 may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes.

Key dates

02Disclosure timeline

October 31, 2023 CVE published
February 13, 2025 Record updated