A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| k8s.io/kubernetes(Go) | 1.16.0 | 1.18.19 | N/A |
| k8s.io/kubernetes(Go) | 1.19.0 | 1.19.11 | N/A |
| k8s.io/kubernetes(Go) | 1.20.0 | 1.20.7 | N/A |
| k8s.io/kubernetes(Go) | 1.21.0 | 1.21.1 | N/A |
CVSS Metrics