API Gateway allows anonymous access Affecting API Gateway (REST APIs) service in AWS
Severity Framework
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Snyk CCSS
Rule category
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
General/ Access
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- Snyk IDSNYK-CC-00250
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Description
API Gateway will accept HTTP methods without authorization so anyone could potentially access resources behind the gateway.
How to fix?
Set authorization attribute to value other than NONE.
Example Configuration
resource "aws_api_gateway_method" "any" {
rest_api_id = aws_api_gateway_rest_api.this.id
resource_id = aws_api_gateway_resource.this.id
http_method = "ANY"
authorization = "AWS_IAM"
Set Properties.AuthorizationType attribute to value other than NONE.