CVE-2023-3893
Kubernetes csi-proxy vulnerable to privilege escalation due to improper input validation in github.com/kubernetes-csi/csi-proxy
8.8
HIGH
CVSS 3.1
EPSS 3.7%
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.
How to fix CVE-2023-3893
To remediate CVE-2023-3893, upgrade the affected package to a fixed version below.
- —upgrade to 1.20.5+really1.20.2-1 or later
- —upgrade to 1.1.3 or later
- —upgrade to 1.1.3 or later
- —upgrade to 2.0.0-alpha.1 or later
- —upgrade to 2.0.0-alpha.1 or later
Is CVE-2023-3893 being exploited?
Low — EPSS is 3.7%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0, < 1.20.5+really1.20.2-1
- >= 0.1.0-rc1, < 1.1.3
- from 0, < 1.1.3
- >= 2.0.0-alpha.0, < 2.0.0-alpha.1
- >= 2.0.0-alpha.0, < 2.0.0-alpha.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 |