CVE-2023-3893
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.62% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- kubernetes/csi proxy
- Source
- jordan@liggitt.net
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.