AmazonMWAAServiceRolePolicy

Last Modified

Mar 12, 2026

March 12, 2026 at 09:27 PM UTC

Version

Total Versions

Created

Nov 17, 2022

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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

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99{
  "PolicyVersion": {
    "Document": {
      "Version": "2012-10-17",
      "Statement": [
        {
          "Effect": "Allow",
          "Action": [
            "logs:CreateLogStream",
            "logs:CreateLogGroup",
            "logs:DescribeLogGroups"
          ],
          "Resource": "arn:aws:logs:*:*:log-group:airflow-*:*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:AttachNetworkInterface",
            "ec2:CreateNetworkInterface",
            "ec2:CreateNetworkInterfacePermission",
            "ec2:DeleteNetworkInterface",
            "ec2:DeleteNetworkInterfacePermission",
            "ec2:DescribeDhcpOptions",
            "ec2:DescribeNetworkInterfaces",
            "ec2:DescribeSecurityGroups",
            "ec2:DescribeSubnets",
            "ec2:DescribeVpcEndpoints",
            "ec2:DescribeVpcs",
            "ec2:DetachNetworkInterface"
          ],
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": "ec2:CreateVpcEndpoint",
          "Resource": "arn:aws:ec2:*:*:vpc-endpoint/*",
          "Condition": {
            "ForAnyValue:StringEquals": {
              "aws:TagKeys": "AmazonMWAAManaged"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:ModifyVpcEndpoint",
            "ec2:DeleteVpcEndpoints"
          ],
          "Resource": "arn:aws:ec2:*:*:vpc-endpoint/*",
          "Condition": {
            "Null": {
              "aws:ResourceTag/AmazonMWAAManaged": false
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateVpcEndpoint",
            "ec2:ModifyVpcEndpoint"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:vpc/*",
            "arn:aws:ec2:*:*:security-group/*",
            "arn:aws:ec2:*:*:subnet/*"
          ]
        },
        {
          "Effect": "Allow",
          "Action": "ec2:CreateTags",
          "Resource": "arn:aws:ec2:*:*:vpc-endpoint/*",
          "Condition": {
            "StringEquals": {
              "ec2:CreateAction": "CreateVpcEndpoint"
            },
            "ForAnyValue:StringEquals": {
              "aws:TagKeys": "AmazonMWAAManaged"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": "cloudwatch:PutMetricData",
          "Resource": "*",
          "Condition": {
            "StringEquals": {
              "cloudwatch:namespace": [
                "AWS/MWAA"
              ]
            }
          }
        }
      ]
    },
    "VersionId": "v2",
    "IsDefaultVersion": true,
    "CreateDate": "2022-11-17T00:56:25+00:00"
  }
}