API Gateway execute-api endpoint not disabled — CloudFront WAF bypassable

Severity
High
Service
API Gateway
Check ID
APIGW_CLOUDFRONT_BYPASS

What this check finds

This REST API has the default execute-api endpoint enabled. If CloudFront and WAF front this API, attackers can bypass both by calling the execute-api.amazonaws.com URL directly.

Passing looks like: API Gateway execute-api endpoint disabled.

How to fix it

Disable the default endpoint so all traffic must go through your custom domain or CloudFront.

AWS CLI

  1. aws apigateway update-rest-api --rest-api-id API_ID --patch-operations op=replace,path=/disableExecuteApiEndpoint,value=true

Names in capitals are placeholders for your own resource. Review a command before you run it.

AWS console

API Gateway → REST API → Settings → Disable default endpoint.

Compliance controls it is evidence for

A failing result counts against these controls in KloudLytics; a passing one is evidence towards them. How compliance mapping works

Compliance controls mapped to API Gateway execute-api endpoint not disabled — CloudFront WAF bypassable
FrameworkControls
NIST SP 800-53 Rev5 (Moderate)
  • SC-7 Boundary Protection
NIST Cybersecurity Framework 2.0
  • PR.IR-01 Networks and environments are protected from unauthorized logical access and usage
ISO/IEC 27001:2022 Annex A
  • A.8.20 Networks security

Checked on every scan

KloudLytics runs this check each time it scans a connected AWS account, through a read-only role, and lists every affected resource with its region. On Pro and Business a fix is written for the specific resource rather than the general case above. The exact access it needs

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