Check for any public facing RDS database instances provisioned in your AWS account and restrict unauthorized access in order to minimise security risks. To restrict access to any publicly accessible RDS database instance, you must disable the database Publicly Accessible flag and update the VPC security group associated with the instance.
This rule can help you with the following compliance standards:
For further details on compliance standards supported by Conformity, see here.
This rule can help you work with the AWS Well-Architected Framework.
This rule resolution is part of the Conformity Security & Compliance tool for AWS.
When the VPC security group associated with an RDS instance allows unrestricted access (0.0.0.0/0), everyone and everything on the Internet can establish a connection to your database and this can increase the opportunity for malicious activities such as brute force attacks, SQL injections or DoS/DDoS attacks.
To determine if your RDS database instances are publicly accessible, perform the following:
Remediation / Resolution
To update your RDS instances connection configuration in order to restrict access, perform the following:
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You are auditing:
RDS Publicly Accessible
Risk level: High