CVE-2020-8561 — Webhook redirect in kube-apiserver
A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redi…
Published: 2021-09-20 · CVSS: 4.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7