Mods
AWS

IAM Role: AWS/Cloud9/Metadata

PermissionGrant
cloud9:DescribeEnvironmentMembershipsMetadata
cloud9:DescribeEnvironmentStatusMetadata
cloud9:DescribeEnvironmentsMetadata
cloud9:ListEnvironmentsMetadata
cloud9:ValidateEnvironmentNameMetadata
ec2:DescribeSubnetsMetadata
ec2:DescribeVpcsMetadata