CVE-2020-8559
Medium
Description
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.
SeverityMedium
CVSS6.4
Exploit probability—
ProductKubernetes
PublishedJul 22, 2020
First seenJul 22, 2020
Weakness typeCWE-601Open redirect
How to fix
Update
- kubernetes kubernetes1.16.13, 1.17.9, 1.18.6 or later
- k8s.io/apimachinery0.16.13, 0.17.9, 0.18.7, 0.18.7-rc.0 or later
- k8s.io/kubernetes1.16.13, 1.17.9, 1.18.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| kubernetes kubernetes | 1.6.0 ≤ v ≤ 1.15.0, 1.16.0 ≤ v < 1.16.13, 1.17.0 ≤ v < 1.17.9, 1.18.0 ≤ v < 1.18.6 | 1.16.13, 1.17.9, 1.18.6 |
| k8s.io/apimachineryGo | v < 0.16.13, 0.17.0 ≤ v < 0.17.9, 0.18.0 ≤ v < 0.18.7, 0.18.0 ≤ v < 0.18.7-rc.0 | 0.16.13, 0.17.9, 0.18.7, 0.18.7-rc.0 |
| k8s.io/kubernetesGo | v < 1.16.13, 1.17.0 ≤ v < 1.17.9, 1.18.0 ≤ v < 1.18.7 | 1.16.13, 1.17.9, 1.18.7 |
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