VPC Unrestricted Egress

Not restricting egress allows connections to the public internet on any port and host, significantly increasing the extent of a compromise.

Remediation

Restrict CIDR to known range
Restrict port to white listed set of ports.
See https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group

Metadata

Severity: high
Slug: vpc-unrestricted-egress

CWEs

284: Improper Access Control

OWASP

A05:2021: Security Misconfiguration

Available Labs

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easy

VPC.aws

Other Easy AWS Signature

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