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🛡️ AWS RDS Multi-AZ Cluster Auto Minor Version Upgrade is not enabled🟢

  • Contextual name: 🛡️ Multi-AZ Cluster Auto Minor Version Upgrade is not enabled🟢
  • ID: /ce/ca/aws/rds/cluster-auto-minor-version-upgrade
  • Tags:
  • Policy Type: COMPLIANCE_POLICY
  • Policy Categories: RELIABILITY

Stats​

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Logic​

Similar Policies​

Description​

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Description​

This policy identifies AWS RDS Multi-AZ Clusters where the Auto Minor Version Upgrade feature is disabled.

Rationale​

Enabling automatic minor version upgrades ensures that clusters receive the latest engine updates, which may include critical security patches, bug fixes, and performance improvements. For Multi-AZ clusters designed to provide high availability, maintaining consistent updates across all instances is essential for stability, security, and uniform behavior, particularly during failover events.

Audit​

This policy flags a Multi-AZ AWS RDS Cluster as INCOMPLIANT if the Auto Minor Version Upgrade field is set to No.

A Cluster is marked as INAPPLICABLE if the Multi-AZ field is set to false.

Remediation​

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Remediation​

Enable Automatic Minor Version Upgrades​

Using AWS CloudFormation​
  • CloudFormation template (YAML):
AWSTemplateFormatVersion: '2010-09-09'
Description: Enables automatic minor version upgrades for an existing RDS cluster.

Parameters:
  DBClusterId:
    Type: String
    Description: ID of the existing RDS cluster

Resources:
  AutoMinorUpgradeRDS:
    Type: AWS::RDS::DBCluster
    Properties:
      DBClusterIdentifier: !Ref DBClusterId
      AutoMinorVersionUpgrade: true
From Command Line​
aws rds modify-db-cluster
  --db-cluster-identifier {{cluster-id}}
  --auto-minor-version-upgrade
  [--apply-immediately]

To apply the change during the next maintenance window, omit the --apply-immediately flag.

policy.yaml​

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Linked Framework Sections​

SectionSub SectionsInternal RulesPoliciesFlagsCompliance
💼 AWS Foundational Security Best Practices v1.0.0 → 💼 [RDS.35] RDS DB clusters should have automatic minor version upgrade enabled1no data
💼 AWS Well-Architected → 💼 OPS05-BP05 Perform patch management4no data
💼 Cloudaware Framework → 💼 Infrastructure Modernization19no data
💼 FedRAMP High Security Controls → 💼 SI-2 Flaw Remediation (L)(M)(H)2724no data
💼 FedRAMP High Security Controls → 💼 SI-2(2) Automated Flaw Remediation Status (M)(H)9no data
💼 FedRAMP Low Security Controls → 💼 SI-2 Flaw Remediation (L)(M)(H)24no data
💼 FedRAMP Moderate Security Controls → 💼 SI-2 Flaw Remediation (L)(M)(H)224no data
💼 FedRAMP Moderate Security Controls → 💼 SI-2(2) Automated Flaw Remediation Status (M)(H)9no data
💼 NIST CSF v2.0 → 💼 ID.IM-01: Improvements are identified from evaluations47no data
💼 NIST CSF v2.0 → 💼 ID.IM-02: Improvements are identified from security tests and exercises, including those done in coordination with suppliers and relevant third parties63no data
💼 NIST CSF v2.0 → 💼 ID.IM-03: Improvements are identified from execution of operational processes, procedures, and activities63no data
💼 NIST SP 800-53 Revision 5 → 💼 SI-2 Flaw Remediation6621no data
💼 NIST SP 800-53 Revision 5 → 💼 SI-2(2) Flaw Remediation _ Automated Flaw Remediation Status19no data
💼 NIST SP 800-53 Revision 5 → 💼 SI-2(4) Flaw Remediation _ Automated Patch Management Tools9no data
💼 NIST SP 800-53 Revision 5 → 💼 SI-2(5) Flaw Remediation _ Automatic Software and Firmware Updates29no data
💼 PCI DSS v3.2.1 → 💼 6.2 Ensure that all system components and software are protected from known vulnerabilities by installing applicable vendor-supplied security patches.7no data
💼 PCI DSS v4.0.1 → 💼 6.3.3 All system components are protected from known vulnerabilities by installing applicable security patches/updates7no data
💼 PCI DSS v4.0 → 💼 6.3.3 All system components are protected from known vulnerabilities by installing applicable security patches/updates7no data