Published: 20/09/2021 Updated: 06/11/2021

CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8

CVSS v3 Base Score: 4.1 | Impact Score: 1.4 | Exploitability Score: 2.3

VMScore: 356

Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

A security issue exists 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
kubernetes kubernetes 1.20.11
kubernetes kubernetes 1.21.5
kubernetes kubernetes 1.22.2

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 re ...

CWE-610 https://groups.google.com/g/kubernetes-security-announce/c/RV2IhwcrQsY https://github.com/kubernetes/kubernetes/issues/104720 https://security.netapp.com/advisory/ntap-20211014-0002/https://nvd.nist.gov https://security.archlinux.org/CVE-2020-8561

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CVE-2020-8561

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