MEDIUM
Source
Trivy
ID
AVD-AWS-0020

DocumentDB logs export should be enabled

Document DB does not have auditing by default. To ensure that you are able to accurately audit the usage of your DocumentDB cluster you should enable export logs.

Impact

Limited visibility of audit trail for changes to the DocumentDB

Follow the appropriate remediation steps below to resolve the issue.

Enable export logs

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Resources:
  GoodExample:
    Type: "AWS::DocDB::DBCluster"
    Properties:
      BackupRetentionPeriod : 8
      DBClusterIdentifier : "sample-cluster"
      DBClusterParameterGroupName : "default.docdb3.6"
      KmsKeyId : "your-kms-key-id"
      EnableCloudwatchLogsExports:
      - audit
      - profiler
  InstanceInstanceExample:
    Type: "AWS::DocDB::DBInstance"
    Properties:
      AutoMinorVersionUpgrade: true
      AvailabilityZone: "us-east-1c"
      DBClusterIdentifier: "sample-cluster"
      DBInstanceClass: "db.r5.large"
      DBInstanceIdentifier: "sample-cluster-instance-0"
      PreferredMaintenanceWindow: "sat:06:54-sat:07:24"

Enable export logs

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 resource "aws_docdb_cluster" "good_example" {
   cluster_identifier      = "my-docdb-cluster"
   engine                  = "docdb"
   master_username         = "foo"
   master_password         = "mustbeeightchars"
   backup_retention_period = 5
   preferred_backup_window = "07:00-09:00"
   skip_final_snapshot     = true
   enabled_cloudwatch_logs_exports = "audit"
 }