AmazonEKSServicePolicy

Last Modified

Mar 12, 2026

March 12, 2026 at 09:27 PM UTC

Version

Total Versions

Created

Oct 14, 2024

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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 1 permissions management action across 1 service (ec2) on any resource, enough to share resources outside the account.
ec2:createnetworkinterfacepermission
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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89{
  "PolicyVersion": {
    "Document": {
      "Version": "2012-10-17",
      "Statement": [
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateNetworkInterface",
            "ec2:CreateNetworkInterfacePermission",
            "ec2:DeleteNetworkInterface",
            "ec2:DescribeInstances",
            "ec2:DescribeNetworkInterfaces",
            "ec2:DetachNetworkInterface",
            "ec2:DescribeSecurityGroups",
            "ec2:DescribeSubnets",
            "ec2:DescribeVpcs",
            "ec2:ModifyNetworkInterfaceAttribute",
            "iam:ListAttachedRolePolicies",
            "eks:UpdateClusterVersion",
            "ec2:GetSecurityGroupsForVpc"
          ],
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateTags",
            "ec2:DeleteTags"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:vpc/*",
            "arn:aws:ec2:*:*:subnet/*"
          ]
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateTags"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:network-interface/*"
          ],
          "Condition": {
            "StringLike": {
              "aws:RequestTag/Name": "eks-cluster-*"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": "route53:AssociateVPCWithHostedZone",
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": "logs:CreateLogGroup",
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "logs:CreateLogStream",
            "logs:DescribeLogStreams"
          ],
          "Resource": "arn:aws:logs:*:*:log-group:/aws/eks/*:*"
        },
        {
          "Effect": "Allow",
          "Action": "logs:PutLogEvents",
          "Resource": "arn:aws:logs:*:*:log-group:/aws/eks/*:*:*"
        },
        {
          "Effect": "Allow",
          "Action": "iam:CreateServiceLinkedRole",
          "Resource": "arn:aws:iam::*:role/aws-service-role/eks.amazonaws.com/AWSServiceRoleForAmazonEKS",
          "Condition": {
            "StringLike": {
              "iam:AWSServiceName": "eks.amazonaws.com"
            }
          }
        }
      ]
    },
    "VersionId": "v7",
    "IsDefaultVersion": true,
    "CreateDate": "2024-10-14T21:12:40+00:00"
  }
}