CVE-2020-8561
Medium
Description
A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver requests to private networks of the apiserver. If that user can view kube-apiserver logs when the log level is set to 10, they can view the redirected responses and headers in the logs.
SeverityMedium
CVSS4.1
Exploit probability—
ProductKubernetes
PublishedSep 20, 2021
First seenSep 20, 2021
Weakness typeCWE-441CWE-441
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| kubernetes kubernetes | 1.20.11, 1.21.5, 1.22.2 | — |
| k8s.io/kubernetesGo | v ≤ 1.22.2 | — |
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