SSM / Client / describe_instance_patches



Retrieves information about the patches on the specified managed node and their state relative to the patch baseline being used for the node.

See also: AWS API Documentation

Request Syntax

response = client.describe_instance_patches(
            'Key': 'string',
            'Values': [
  • InstanceId (string) –


    The ID of the managed node whose patch state information should be retrieved.

  • Filters (list) –

    Each element in the array is a structure containing a key-value pair.

    Supported keys for ``DescribeInstancePatches``include the following:

    • Classification Sample values: Security | SecurityUpdates

    • KBId Sample values: KB4480056 | java-1.7.0-openjdk.x86_64

    • Severity Sample values: Important | Medium | Low

    • State Sample values: Installed | InstalledOther | InstalledPendingReboot

    • (dict) –

      Defines a filter used in Patch Manager APIs. Supported filter keys depend on the API operation that includes the filter. Patch Manager API operations that use PatchOrchestratorFilter include the following:

      • DescribeAvailablePatches

      • DescribeInstancePatches

      • DescribePatchBaselines

      • DescribePatchGroups

      • Key (string) –

        The key for the filter.

      • Values (list) –

        The value for the filter.

        • (string) –

  • NextToken (string) – The token for the next set of items to return. (You received this token from a previous call.)

  • MaxResults (integer) – The maximum number of patches to return (per page).

Return type:



Response Syntax

    'Patches': [
            'Title': 'string',
            'KBId': 'string',
            'Classification': 'string',
            'Severity': 'string',
            'InstalledTime': datetime(2015, 1, 1),
            'CVEIds': 'string'
    'NextToken': 'string'

Response Structure

  • (dict) –

    • Patches (list) –

      Each entry in the array is a structure containing:

      • Title (string)

      • KBId (string)

      • Classification (string)

      • Severity (string)

      • State (string, such as “INSTALLED” or “FAILED”)

      • InstalledTime (DateTime)

      • InstalledBy (string)

      • (dict) –

        Information about the state of a patch on a particular managed node as it relates to the patch baseline used to patch the node.

        • Title (string) –

          The title of the patch.

        • KBId (string) –

          The operating system-specific ID of the patch.

        • Classification (string) –

          The classification of the patch, such as SecurityUpdates, Updates, and CriticalUpdates.

        • Severity (string) –

          The severity of the patch such as Critical, Important, and Moderate.

        • State (string) –

          The state of the patch on the managed node, such as INSTALLED or FAILED.

          For descriptions of each patch state, see About patch compliance in the Amazon Web Services Systems Manager User Guide.

        • InstalledTime (datetime) –

          The date/time the patch was installed on the managed node. Not all operating systems provide this level of information.

        • CVEIds (string) –

          The IDs of one or more Common Vulnerabilities and Exposure (CVE) issues that are resolved by the patch.

    • NextToken (string) –

      The token to use when requesting the next set of items. If there are no additional items to return, the string is empty.


  • SSM.Client.exceptions.InternalServerError

  • SSM.Client.exceptions.InvalidInstanceId

  • SSM.Client.exceptions.InvalidFilter

  • SSM.Client.exceptions.InvalidNextToken