CVE-2020-8561 Vulnerability Details

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CVE-2020-8561 Metadata Quick Info

CVE Published: 20/09/2021 | CVE Updated: 16/09/2024 | CVE Year: 2020
Source: kubernetes | Vendor: Kubernetes | Product: Kubernetes
Status : PUBLISHED

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CVE-2020-8561 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.

Metrics

CVSS Version: 3.1 | Base Score: 4.1 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* HIGH
    User Interaction (UI)* NONE
    Scope (S)* CHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* LOW
    Integrity Impact (I)* NONE
    Availability Impact (A)* NONE

Weakness Enumeration (CWE)

CWE-ID: CWE-441
CWE Name: CWE-441 Unintended Proxy or Intermediary
Source: Kubernetes

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).