AmazonMWAAServerlessServiceRolePolicy

Last Modified

Mar 12, 2026

March 12, 2026 at 09:27 PM UTC

Version

v1

Total Versions

1

Created

Nov 15, 2025

Actions

11

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Risk

Medium

The same capabilities in a scoped form, resource policy writes, reads across all data, or full access to a whole service. Read from this policy document alone: trust policies, boundaries and SCPs in your account still decide what actually succeeds. How this is assessed

  • Medium

    Can rewrite resource policies and sharing

    Grants 2 permissions management actions across 1 service (ec2) on any resource, enough to share resources outside the account.

    ec2:createnetworkinterfacepermissionec2:deletenetworkinterfacepermission

    Use with caution: Turn on IAM Access Analyzer external access findings, and keep account-level guards like S3 Block Public Access enabled.

Policy Document

View on GitHub
{
  "PolicyVersion": {
    "Document": {
      "Version": "2012-10-17",
      "Statement": [
        {
          "Effect": "Allow",
          "Action": [
            "ec2:AttachNetworkInterface",
            "ec2:CreateNetworkInterface",
            "ec2:CreateNetworkInterfacePermission",
            "ec2:DeleteNetworkInterface",
            "ec2:DeleteNetworkInterfacePermission",
            "ec2:DescribeDhcpOptions",
            "ec2:DescribeNetworkInterfaces",
            "ec2:DescribeSecurityGroups",
            "ec2:DescribeSubnets",
            "ec2:DescribeVpcs",
            "ec2:DetachNetworkInterface"
          ],
          "Resource": "*"
        }
      ]
    },
    "VersionId": "v1",
    "IsDefaultVersion": true,
    "CreateDate": "2025-11-15T20:34:07+00:00"
  }
}

Version History (2 recorded)

Raw history

AmazonMWAAServerlessServiceRolePolicy - Policy Version v1

No recorded action delta - this version predates the change index. View the raw diff.

Mar 12, 2026

4872471

AmazonMWAAServerlessServiceRolePolicy - Policy Version v1

No recorded action delta - this version predates the change index. View the raw diff.

Nov 17, 2025

3f3f400