EKS cluster must disable public API endpoint access

High AWS General aws-eks-cluster-no-public-access

Applies to

AWS::EKS::Cluster

What CGPulse checks

A resource passes this rule when endpointPublicAccess must equal false. Anything else is reported as a finding with the evaluated property value attached as evidence.

How to fix it

Disable public endpoint access and use private VPC-based access for cluster management. In AWS Console: EKS > Clusters > Networking > disable Public access. See: https://docs.aws.amazon.com/eks/latest/userguide/cluster-endpoint.html

Terraform

resource "aws_eks_cluster" "{name}" {
  vpc_config {
    endpoint_public_access = false
  }
}

Compliance frameworks

Cloud Security: AWS Foundations
GDPR: Data Protection Controls
HIPAA: Health Information Protection164.312(a)(1)
ISO 27001: Information SecurityA.13.1.1
NIST 800-53: Cloud Security ControlsSC-7

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