The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| k8s.io/apimachinery(Go) | 0 | 0.16.13 | N/A |
| k8s.io/apimachinery(Go) | 0.17.0 | 0.17.9 | N/A |
| k8s.io/apimachinery(Go) | 0.18.0 | 0.18.7 | N/A |
| k8s.io/kubernetes(Go) | 0 | 1.16.13 | N/A |
| k8s.io/kubernetes(Go) | 1.17.0 | 1.17.9 | N/A |
| k8s.io/kubernetes(Go) | 1.18.0 | 1.18.7 | N/A |
CVSS Metrics