AWS-SSM-RemediationAutomation-ExecutionRolePolicy

Last Modified

Mar 12, 2026

March 12, 2026 at 09:25 PM UTC

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Total Versions

Created

Feb 12, 2026

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Risk

no risk signal

Read from this policy document alone: trust policies, boundaries and SCPs in your account still decide what actually succeeds. How this is assessed

IAM Access Analyzer (1)

Warning / TYPE_MISMATCH
Use the operator type String instead of operator ARN for the condition key kms:EncryptionContext:aws:s3:arn. AWS docs

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264{
  "PolicyVersion": {
    "Document": {
      "Version": "2012-10-17",
      "Statement": [
        {
          "Sid": "AllowReadOnlyAccessSSMResource",
          "Effect": "Allow",
          "Action": [
            "ssm:GetAutomationExecution",
            "ssm:DescribeAutomationExecutions",
            "ssm:DescribeAutomationStepExecutions"
          ],
          "Resource": "*"
        },
        {
          "Sid": "AllowReadOnlyAccessEC2Resource",
          "Effect": "Allow",
          "Action": [
            "ec2:DescribeVpcAttribute",
            "ec2:DescribeSubnets",
            "ec2:DescribeVpcs",
            "ec2:DescribeVpcEndpoints",
            "ec2:DescribeSecurityGroups"
          ],
          "Resource": "*"
        },
        {
          "Sid": "AllowCreateVpcEndpointForTaggedSecurityGroup",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateVpcEndpoint"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:security-group/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:ResourceTag/SystemsManager::FindingNetworkingSecurityGroups::VPCE::SG": "VPCEndpointSecurityGroup"
            }
          }
        },
        {
          "Sid": "AllowCreateVpcEndpoint",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateVpcEndpoint"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:vpc/*",
            "arn:aws:ec2:*:*:subnet/*"
          ]
        },
        {
          "Sid": "RestrictCreateVpcEndpointForSSMService",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateVpcEndpoint"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:vpc-endpoint/*"
          ],
          "Condition": {
            "StringLike": {
              "ec2:VpceServiceName": [
                "com.amazonaws.*.ssm",
                "com.amazonaws.*.ssmmessages",
                "com.amazonaws.*.ec2messages"
              ]
            },
            "StringEquals": {
              "aws:RequestTag/SystemsManager::FindingNetworkingVPCEndpoints::VPCE": "VPCEndpoint"
            }
          }
        },
        {
          "Sid": "RestrictCreateVpcEndpointWithTag",
          "Effect": "Allow",
          "Action": "ec2:CreateTags",
          "Resource": [
            "arn:aws:ec2:*:*:vpc-endpoint/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:RequestTag/SystemsManager::FindingNetworkingVPCEndpoints::VPCE": "VPCEndpoint",
              "ec2:CreateAction": [
                "CreateVpcEndpoint"
              ]
            }
          }
        },
        {
          "Sid": "AllowModifyVpcAttributeForDns",
          "Effect": "Allow",
          "Action": [
            "ec2:ModifyVpcAttribute"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:vpc/*"
          ],
          "Condition": {
            "StringEquals": {
              "ec2:Attribute": [
                "EnableDnsSupport",
                "EnableDnsHostnames"
              ]
            }
          }
        },
        {
          "Sid": "AllowSecurityGroupRuleUpdate",
          "Effect": "Allow",
          "Action": [
            "ec2:AuthorizeSecurityGroupEgress"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:security-group/*"
          ]
        },
        {
          "Sid": "AllowSecurityGroupRuleUpdateForTaggedResource",
          "Effect": "Allow",
          "Action": [
            "ec2:RevokeSecurityGroupEgress",
            "ec2:AuthorizeSecurityGroupIngress"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:security-group/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:ResourceTag/SystemsManager::FindingNetworkingSecurityGroups::VPCE::SG": "VPCEndpointSecurityGroup"
            }
          }
        },
        {
          "Sid": "AllowSecurityGroupRuleUpdateWithTag",
          "Effect": "Allow",
          "Action": [
            "ec2:AuthorizeSecurityGroupEgress",
            "ec2:AuthorizeSecurityGroupIngress"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:security-group-rule/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:RequestTag/SystemsManager::FindingNetworkingSecurityGroups::SG::Rule": "HTTPSAccess"
            }
          }
        },
        {
          "Sid": "AllowSecurityGroupRuleUpdateTagRule",
          "Effect": "Allow",
          "Action": "ec2:CreateTags",
          "Resource": [
            "arn:aws:ec2:*:*:security-group-rule/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:RequestTag/SystemsManager::FindingNetworkingSecurityGroups::SG::Rule": "HTTPSAccess",
              "ec2:CreateAction": [
                "AuthorizeSecurityGroupEgress",
                "AuthorizeSecurityGroupIngress"
              ]
            }
          }
        },
        {
          "Sid": "AllowCreateSecurityGroupForVPCEndpoint",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateSecurityGroup"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:vpc/*"
          ]
        },
        {
          "Sid": "AllowCreateSecurityGroupWithTag",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateSecurityGroup"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:security-group/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:RequestTag/SystemsManager::FindingNetworkingSecurityGroups::VPCE::SG": "VPCEndpointSecurityGroup"
            }
          }
        },
        {
          "Sid": "AllowTagCreationForSecurityGroupTags",
          "Effect": "Allow",
          "Action": "ec2:CreateTags",
          "Resource": [
            "arn:aws:ec2:*:*:security-group/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:RequestTag/SystemsManager::FindingNetworkingSecurityGroups::VPCE::SG": "VPCEndpointSecurityGroup",
              "ec2:CreateAction": [
                "CreateSecurityGroup"
              ]
            }
          }
        },
        {
          "Sid": "AllowExecuteSSMAutomation",
          "Effect": "Allow",
          "Action": [
            "ssm:StartAutomationExecution"
          ],
          "Resource": [
            "arn:aws:ssm:*:*:document/AWS-OrchestrateUnmanagedEC2Actions",
            "arn:aws:ssm:*:*:document/AWS-RemediateSSMAgent*",
            "arn:aws:ssm:*:*:automation-execution/*",
            "arn:aws:ssm:*:*:automation-definition/AWS-OrchestrateUnmanagedEC2Actions:*",
            "arn:aws:ssm:*:*:automation-definition/AWS-RemediateSSMAgent*:*"
          ]
        },
        {
          "Sid": "AllowKMSOperations",
          "Effect": "Allow",
          "Action": [
            "kms:Decrypt",
            "kms:GenerateDataKey"
          ],
          "Resource": "arn:aws:kms:*:*:key/*",
          "Condition": {
            "StringEquals": {
              "aws:ResourceTag/SystemsManagerManaged": "true"
            },
            "ArnLike": {
              "kms:EncryptionContext:aws:s3:arn": "arn:aws:s3:::do-not-delete-ssm-diagnosis-*"
            },
            "StringLike": {
              "kms:ViaService": "s3.*.amazonaws.com"
            },
            "Bool": {
              "aws:ViaAWSService": "true"
            }
          }
        },
        {
          "Sid": "AllowPassRoleOnSelfToSsm",
          "Effect": "Allow",
          "Action": "iam:PassRole",
          "Resource": "arn:aws:iam::*:role/AWS-SSM-RemediationExecutionRole*",
          "Condition": {
            "StringEquals": {
              "iam:PassedToService": "ssm.amazonaws.com"
            }
          }
        }
      ]
    },
    "VersionId": "v4",
    "IsDefaultVersion": true,
    "CreateDate": "2026-02-12T17:58:49+00:00"
  }
}