CVE-2020-8561

Katalog CVE

CVSS 4.1 · Medium EPSS 2,1%

Kerentanan Unintended Proxy or Intermediary ('Confused Deputy') pada kubernetes. Skor CVSS 3.1 4.1 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

20 September 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

4.1 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')
CWE-610: Externally Controlled Reference to a Resource in Another Sphere

EPSS (30 hari)

2,1% peluang dieksploitasi; lebih tinggi dari 81,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/kubernetes/kubernetes/issues/104720 mitigasi · advisory pihak ketiga
• https://groups.google.com/g/kubernetes-security-announce/c/RV2IhwcrQsY mailing list · mitigasi
• https://security.netapp.com/advisory/ntap-20211014-0002/ advisory pihak ketiga
• https://kubernetes.io/blog/2026/05/26/reconciling-unfixed-kubernetes-cves/