Neptune cluster with IAM database authentication disabled

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Metadata

Id: a3aa0087-8228-4e7e-b202-dc9036972d02

Cloud Provider: AWS

Platform: CloudFormation

Severity: High

Category: Access Control

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Description

Neptune DB clusters must have IAM database authentication enabled to centralize credential management and enable IAM-based access control and auditing. This reduces reliance on static database passwords that can be leaked or become stale. In AWS CloudFormation, the AWS::Neptune::DBCluster resource must include the IamAuthEnabled property set to true. Resources that omit this property or set IamAuthEnabled to false will be flagged.

Secure configuration example:

MyNeptuneCluster:
  Type: AWS::Neptune::DBCluster
  Properties:
    DBClusterIdentifier: my-neptune-cluster
    IamAuthEnabled: true
    # other required properties...

Compliant Code Examples

AWSTemplateFormatVersion: 2010-09-09
Description: A sample template
Resources:
  NeptuneDBCluster3:
    Type: AWS::Neptune::DBCluster
    Properties:
      IamAuthEnabled: true
      StorageEncrypted: true

{
  "AWSTemplateFormatVersion": "2010-09-09T00:00:00Z",
  "Description": "A sample template",
  "Resources": {
    "NeptuneDBCluster3": {
      "Type": "AWS::Neptune::DBCluster",
      "Properties": {
        "IamAuthEnabled": true,
        "StorageEncrypted": true
      }
    }
  }
}

Non-Compliant Code Examples

{
  "AWSTemplateFormatVersion": "2010-09-09T00:00:00Z",
  "Description": "A sample template",
  "Resources": {
    "NeptuneDBCluster": {
      "Type": "AWS::Neptune::DBCluster",
      "Properties": {
        "IamAuthEnabled": false,
        "StorageEncrypted": true
      }
    },
    "NeptuneDBCluster2": {
      "Type": "AWS::Neptune::DBCluster",
      "Properties": {
        "IamAuthEnabled": false,
        "StorageEncrypted": true
      }
    }
  }
}

AWSTemplateFormatVersion: 2010-09-09
Description: A sample template
Resources:
  NeptuneDBCluster:
    Type: AWS::Neptune::DBCluster
    Properties:
      IamAuthEnabled: false
      StorageEncrypted: true
  NeptuneDBCluster2:
    Type: AWS::Neptune::DBCluster
    Properties:
      IamAuthEnabled: false
      StorageEncrypted: true