KafkaServiceRolePolicy

Last Modified

Mar 12, 2026

March 12, 2026 at 09:28 PM UTC

Version

Total Versions

Created

Nov 10, 2025

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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.

IAM Access Analyzer (2)

Suggestion / EQUIVALENT_TO_NULL_FALSE
We recommend replacing the key ec2:ResourceTag/ClusterArn in the condition block of StringLike with {ec2:ResourceTag/ClusterArn: false} to ensure better enforcement of the condition. AWS docs
Suggestion / EQUIVALENT_TO_NULL_FALSE
We recommend replacing the key ec2:ResourceTag/ClusterArn in the condition block of StringLike with {ec2:ResourceTag/ClusterArn: false} to ensure better enforcement of the condition. AWS docs

Policy Document

View on GitHub

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82{
  "PolicyVersion": {
    "Document": {
      "Version": "2012-10-17",
      "Statement": [
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateNetworkInterface",
            "ec2:DescribeNetworkInterfaces",
            "ec2:CreateNetworkInterfacePermission",
            "ec2:AttachNetworkInterface",
            "ec2:DeleteNetworkInterface",
            "ec2:DetachNetworkInterface",
            "ec2:DescribeVpcEndpoints",
            "acm-pca:GetCertificateAuthorityCertificate",
            "secretsmanager:ListSecrets"
          ],
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:ModifyVpcEndpoint"
          ],
          "Resource": "arn:*:ec2:*:*:subnet/*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:DeleteVpcEndpoints",
            "ec2:ModifyVpcEndpoint"
          ],
          "Resource": "arn:*:ec2:*:*:vpc-endpoint/*",
          "Condition": {
            "StringEquals": {
              "ec2:ResourceTag/AWSMSKManaged": "true"
            },
            "StringLike": {
              "ec2:ResourceTag/ClusterArn": "*"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "secretsmanager:GetResourcePolicy",
            "secretsmanager:PutResourcePolicy",
            "secretsmanager:DeleteResourcePolicy",
            "secretsmanager:DescribeSecret"
          ],
          "Resource": "*",
          "Condition": {
            "ArnLike": {
              "secretsmanager:SecretId": "arn:*:secretsmanager:*:*:secret:AmazonMSK_*"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:AssignIpv6Addresses",
            "ec2:UnassignIpv6Addresses",
            "ec2:ModifyNetworkInterfaceAttribute"
          ],
          "Resource": "arn:*:ec2:*:*:network-interface/*",
          "Condition": {
            "StringEquals": {
              "ec2:ResourceTag/AWSMSKManaged": "true"
            },
            "StringLike": {
              "ec2:ResourceTag/ClusterArn": "*"
            }
          }
        }
      ]
    },
    "VersionId": "v5",
    "IsDefaultVersion": true,
    "CreateDate": "2025-11-10T23:19:09+00:00"
  }
}

Version History (14 recorded)

Raw history

v5updated

scope changed, no action added or removed

Mar 12, 2026

c41e4ce

KafkaServiceRolePolicy - Policy Version v5