Related Vulnerabilities: CVE-2021-25735  

A security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook.

Severity Medium

Remote Yes

Type Authentication bypass

Description

A security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook.

AVG-1825 kube-apiserver 1.20.5-1 1.21.0-1 Medium Testing

https://github.com/kubernetes/kubernetes/issues/100096