Skip to main content

ECS instance metadata access uses security-enhanced mode (IMDSv2)

ID: rule:aliyun:ecs-instance-meta-data-mode-check
Severity: medium
IaC Types: ROS, Terraform

Description​

When accessing ECS instance metadata, security-enhanced mode (IMDSv2) is enforced, considered compliant. Instances associated with ACK clusters are not applicable.

Reason for Violation​

ECS instance metadata is accessible without security-enhanced mode (IMDSv1)

Recommendation​

Set HttpEndpoint to 'enabled' and HttpTokens to 'required' to enforce IMDSv2

Resource Types​

  • ROS: ALIYUN::ECS::Instance
  • ROS: ALIYUN::ECS::InstanceGroup
  • Terraform: alicloud_instance