CVE-2023-3955
Insufficient input sanitization on Windows nodes leads to privilege escalation in k8s.io/kubernetes and k8s.io/mount-utils
8.8
HIGH
CVSS 3.1
EPSS 0.76%
Description
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.
How to fix CVE-2023-3955
To remediate CVE-2023-3955, upgrade the affected package to a fixed version below.
- —upgrade to 1.20.5+really1.20.2-1 or later
- —upgrade to 1.28.1 or later
- —upgrade to 1.24.17 or later
- —upgrade to 0.24.17 or later
Is CVE-2023-3955 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.20.5+really1.20.2-1
- >= 1.28.0, < 1.28.1
- from 0, < 1.24.17, >= 1.25.0, < 1.25.13, >= 1.26.0, < 1.26.8, >= 1.27.0, < 1.27.5, >= 1.28.0, < 1.28.1
- from 0, < 0.24.17, >= 0.25.0, < 0.25.13, >= 0.26.0, < 0.26.8, >= 0.27.0, < 0.27.5, >= 0.28.0, < 0.28.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |