AWSApplicationMigrationServiceRolePolicy

Last Modified

Jul 20, 2026

July 20, 2026 at 12:03 AM UTC

Version

Total Versions

Created

Jul 19, 2026

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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 launch resources that run as a more privileged role
Grants the actions of 1 documented escalation path, but only on named resources or under a condition. Review that scope before trusting it.
- ec2-001iam:PassRole + ec2:RunInstancesscoped
  - iam:PassRole: condition iam:PassedToService, on arn:aws:iam::*:role/service-role/AWSApplicationMigrationReplicationServerRole, arn:aws:iam::*:role/service-role/AWSApplicationMigrationConversionServerRole
Use with caution: Check which roles, users or policies fall inside the scope shown above. Within it the escalation works as documented, so keep privileged principals out of it.
Medium
Can take over existing resources that run as another role
Grants the actions of 3 documented escalation paths, but only on named resources or under a condition. Review that scope before trusting it.
- ec2-002ec2:ModifyInstanceAttribute + ec2:StopInstances + ec2:StartInstancesscoped
  - ec2:ModifyInstanceAttribute: condition aws:ResourceTag/AWSApplicationMigrationServiceManaged, on arn:aws:ec2:*:*:instance/*
  - ec2:StopInstances: condition aws:ResourceTag/AWSApplicationMigrationServiceManaged, on arn:aws:ec2:*:*:instance/*
  - ec2:StartInstances: condition aws:ResourceTag/AWSApplicationMigrationServiceManaged, on arn:aws:ec2:*:*:instance/*
- ec2-004ec2:CreateLaunchTemplateVersion + ec2:ModifyLaunchTemplatescoped
  - ec2:CreateLaunchTemplateVersion: condition aws:ResourceTag/AWSApplicationMigrationServiceManaged, on arn:aws:ec2:*:*:launch-template/*
  - ec2:ModifyLaunchTemplate: condition aws:ResourceTag/AWSApplicationMigrationServiceManaged, on arn:aws:ec2:*:*:launch-template/*
- ec2-005ec2:CreateLaunchTemplateVersion + ec2:ModifyLaunchTemplatescoped
  - ec2:CreateLaunchTemplateVersion: condition aws:ResourceTag/AWSApplicationMigrationServiceManaged, on arn:aws:ec2:*:*:launch-template/*
  - ec2:ModifyLaunchTemplate: condition aws:ResourceTag/AWSApplicationMigrationServiceManaged, on arn:aws:ec2:*:*:launch-template/*
Use with caution: Check which roles, users or policies fall inside the scope shown above. Within it the escalation works as documented, so keep privileged principals out of it.

Policy Document

View on GitHub

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326{
  "PolicyVersion": {
    "Document": {
      "Version": "2012-10-17",
      "Statement": [
        {
          "Effect": "Allow",
          "Action": "mgn:ListTagsForResource",
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": "kms:ListRetirableGrants",
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "mgh:AssociateCreatedArtifact",
            "mgh:CreateProgressUpdateStream",
            "mgh:DisassociateCreatedArtifact",
            "mgh:GetHomeRegion",
            "mgh:ImportMigrationTask",
            "mgh:NotifyMigrationTaskState",
            "mgh:PutResourceAttributes"
          ],
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:DescribeAccountAttributes",
            "ec2:DescribeAvailabilityZones",
            "ec2:DescribeImages",
            "ec2:DescribeInstances",
            "ec2:DescribeInstanceTypes",
            "ec2:DescribeInstanceAttribute",
            "ec2:DescribeInstanceStatus",
            "ec2:DescribeLaunchTemplateVersions",
            "ec2:DescribeLaunchTemplates",
            "ec2:DescribeSecurityGroups",
            "ec2:DescribeSnapshots",
            "ec2:DescribeSubnets",
            "ec2:DescribeVolumes",
            "ec2:GetEbsDefaultKmsKeyId",
            "ec2:GetEbsEncryptionByDefault"
          ],
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "organizations:DescribeAccount"
          ],
          "Resource": "arn:aws:organizations::*:account/*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "organizations:DescribeOrganization",
            "organizations:ListAWSServiceAccessForOrganization",
            "organizations:ListDelegatedAdministrators",
            "organizations:ListAccounts"
          ],
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:RegisterImage",
            "ec2:DeregisterImage"
          ],
          "Resource": "*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:DeleteSnapshot"
          ],
          "Resource": "arn:aws:ec2:*:*:snapshot/*",
          "Condition": {
            "Null": {
              "aws:ResourceTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateLaunchTemplateVersion",
            "ec2:ModifyLaunchTemplate",
            "ec2:DeleteLaunchTemplate",
            "ec2:DeleteLaunchTemplateVersions"
          ],
          "Resource": "arn:aws:ec2:*:*:launch-template/*",
          "Condition": {
            "Null": {
              "aws:ResourceTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:DeleteVolume"
          ],
          "Resource": "arn:aws:ec2:*:*:volume/*",
          "Condition": {
            "Null": {
              "aws:ResourceTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:StartInstances",
            "ec2:StopInstances",
            "ec2:TerminateInstances",
            "ec2:ModifyInstanceAttribute",
            "ec2:GetConsoleOutput",
            "ec2:GetConsoleScreenshot"
          ],
          "Resource": "arn:aws:ec2:*:*:instance/*",
          "Condition": {
            "Null": {
              "aws:ResourceTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:RevokeSecurityGroupEgress",
            "ec2:AuthorizeSecurityGroupIngress",
            "ec2:AuthorizeSecurityGroupEgress"
          ],
          "Resource": "arn:aws:ec2:*:*:security-group/*",
          "Condition": {
            "Null": {
              "aws:ResourceTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateVolume"
          ],
          "Resource": "arn:aws:ec2:*:*:volume/*",
          "Condition": {
            "Null": {
              "aws:RequestTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateSecurityGroup"
          ],
          "Resource": "arn:aws:ec2:*:*:security-group/*",
          "Condition": {
            "Null": {
              "aws:RequestTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateSecurityGroup"
          ],
          "Resource": "arn:aws:ec2:*:*:vpc/*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateLaunchTemplate"
          ],
          "Resource": "arn:aws:ec2:*:*:launch-template/*",
          "Condition": {
            "Null": {
              "aws:RequestTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateSnapshot"
          ],
          "Resource": "arn:aws:ec2:*:*:volume/*",
          "Condition": {
            "Null": {
              "ec2:ResourceTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateSnapshot"
          ],
          "Resource": "arn:aws:ec2:*:*:snapshot/*",
          "Condition": {
            "Null": {
              "aws:RequestTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:DetachVolume",
            "ec2:AttachVolume"
          ],
          "Resource": "arn:aws:ec2:*:*:instance/*",
          "Condition": {
            "Null": {
              "ec2:ResourceTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:AttachVolume"
          ],
          "Resource": "arn:aws:ec2:*:*:volume/*",
          "Condition": {
            "Null": {
              "ec2:ResourceTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:DetachVolume"
          ],
          "Resource": "arn:aws:ec2:*:*:volume/*"
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:RunInstances"
          ],
          "Resource": "arn:aws:ec2:*:*:instance/*",
          "Condition": {
            "Null": {
              "aws:RequestTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:RunInstances"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:security-group/*",
            "arn:aws:ec2:*:*:volume/*",
            "arn:aws:ec2:*:*:subnet/*",
            "arn:aws:ec2:*:*:image/*",
            "arn:aws:ec2:*:*:network-interface/*",
            "arn:aws:ec2:*:*:launch-template/*"
          ]
        },
        {
          "Effect": "Allow",
          "Action": "iam:PassRole",
          "Resource": [
            "arn:aws:iam::*:role/service-role/AWSApplicationMigrationReplicationServerRole",
            "arn:aws:iam::*:role/service-role/AWSApplicationMigrationConversionServerRole"
          ],
          "Condition": {
            "StringEquals": {
              "iam:PassedToService": "ec2.amazonaws.com"
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": "ec2:CreateTags",
          "Resource": [
            "arn:aws:ec2:*:*:launch-template/*",
            "arn:aws:ec2:*:*:security-group/*",
            "arn:aws:ec2:*:*:volume/*",
            "arn:aws:ec2:*:*:snapshot/*",
            "arn:aws:ec2:*:*:network-interface/*",
            "arn:aws:ec2:*:*:instance/*",
            "arn:aws:ec2:*:*:image/*"
          ],
          "Condition": {
            "StringEquals": {
              "ec2:CreateAction": [
                "CreateLaunchTemplate",
                "CreateSecurityGroup",
                "CreateVolume",
                "CreateSnapshot",
                "RunInstances",
                "RegisterImage"
              ]
            }
          }
        },
        {
          "Effect": "Allow",
          "Action": [
            "ec2:CreateVolume"
          ],
          "Resource": "arn:aws:ec2:*:*:snapshot/*",
          "Condition": {
            "Null": {
              "aws:ResourceTag/AWSApplicationMigrationServiceManaged": "false"
            }
          }
        }
      ]
    },
    "VersionId": "v9",
    "IsDefaultVersion": true,
    "CreateDate": "2026-07-19T15:12:24+00:00"
  }
}

Version History (10 recorded)

Raw history

v9updated

scope changed, no action added or removed

Jul 20, 2026

2f6fdd9

AWSApplicationMigrationServiceRolePolicy - Policy Version v8