Configuration Compliance assignment rules overview

  • Release version: Yokohama
  • Updated January 30, 2025
  • 3 minutes to read
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    Summary of Configuration Compliance assignment rules overview

    Configuration Compliance assignment rules in ServiceNow automate the process of assigning test results to appropriate assignment groups for remediation. This functionality streamlines remediation efforts by ensuring that test results are directed to the correct teams based on defined criteria. Since version 14.9, terminology has been updated to clarify roles and groups involved in this process.

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    Key Features

    • Assignment Methods: Test results can be assigned automatically using three approaches:
      • Assignment Group: Select from existing ServiceNow AI Platform user groups.
      • Assignment Group Field: Choose from predefined group fields related to configuration items, such as Approval Group, Assignment Group, or Support Group.
      • Script: Use custom scripts for complex conditions requiring advanced ServiceNow expertise.
    • Default Rule: The system includes a default assignment rule ("Assign to CI support group") that assigns test results to the CI Support Group but is inactive by default.
    • Role-Based Access: Users with the snvulc.remediationowner role can view and update test results and remediation tasks assigned to them or their groups. This role can be assigned directly or is included when a user has the itil role.
    • Assignment Rule Evaluation: Rules are evaluated when test results are first imported or reopened, following CI matching and risk score calculations. The rules are checked in order, and once a match is found, the test result is assigned and no further rules are evaluated.
    • Reapplying Rules: Changes to assignment rules can be reapplied to open test results via an "Apply Changes" button. A scheduled job exists to reapply rules automatically but is inactive by default. Manual assignments are excluded from automatic reevaluation.
    • Remediation Task Alignment: Remediation tasks typically inherit the assignment group from their test results, ensuring consistent ownership. Changing the assignment group at the remediation task level updates all test results with the same group within that task and flags them as manually assigned to prevent further automatic reassignment.

    Key Outcomes

    • Efficient and automated assignment of test results to the appropriate groups, reducing manual effort and improving remediation workflow.
    • Clear role-based access controls allow remediation owners to manage relevant tasks and test results effectively.
    • Flexible assignment criteria, including group selection and scripting, cater to diverse organizational needs and complex environments.
    • Consistency between test result assignments and remediation task ownership simplifies tracking and accountability.

    Define the criteria by which test results are automatically assigned to an assignment group for remediation.

    Note:
    Starting with v14.9 of Configuration Compliance, the following terms have been renamed:
    Table 1. Changes in terminology
    Terminology prior to v14.9 Terminology v14.9 onwards
    Test Result Group Remediation Task
    Group Rules Remediation Task Rules
    Policy Test group

    A default assignment rule, Assign to CI support group, is included in the base system assigning test results to the CI Support Group. Inactive by default.

    The Assignment groups set by the Assignment Rules are used by Remediation Task Rules to assign owners to remediation tasks (RTs).

    Assigning test results automatically

    There are three different ways to assign test results using Assign using:
    • Assignment group: This option allows you to select any of the existing ServiceNow AI Platform® user groups.
    • Assignment Group Field: This option allows you to choose any assignment group field available using the cmdb_ci table. By default you see the following three group fields:
      • None: Indicates no default value for this mandatory field
      • Configuration Item: Approval Group
      • Configuration Item: Assignment Group
      • Configuration Item: Support Group
    • Script: This option allows you to define the conditions using a script. This option requires coding or advanced ServiceNow® expertise.
    See Create or edit Configuration Compliance assignment rules for more information on creating assignment rules.

    With the sn_vulc.remediation_owner role, you can view and update test results and remediation tasks that are assigned to them or to their assignment groups. To view the modules, navigate to All > Configuration Compliance > Test Results > My Open Test Results, or Configuration Compliance > Remediation Tasks > My Open Tasks.

    The sn_vulc.remediation_owner role can be assigned directly to a user, or, it is automatically assigned when you assign a user the itil role.

    Assignment rule evaluation process

    When a new test result is imported, or reopened after being closed, the assignment rules are evaluated against it. The assignment rules are evaluated after CI matching, and Risk Score calculations. A test result is only automatically evaluated upon initial import and when a rule is changed, unless it is reopened after being closed. You can manually reapply rules after changes.

    The following process is used for each new or reopened test result:
    • For each test result assignment rule, the test result is compared to the assignment filter, lowest order rule first.
    • Where the condition matches, the test result is assigned an assignment group. The lookup stops.
    • Where the conditions do not find a match among all the rules, the test result remains unassigned.

    Reapplying assignment rules

    When you change an assignment rule, use the Apply Changes button on the Assignment Rules list page to rerun all the changed rules on all active Open test results, except those that were manually assigned.
    Note:
    The assignment rules do not reevaluate manually created assignments.
    The scheduled job [Reapply all assignment rules] is inactive, by default. When activated, it evaluates all the open test results against all active rules except those manually assigned. It can run Daily, Weekly, Monthly, Periodically, Once or On Demand.
    Important:
    As an admin and analyst, you can obtain the latest assignments for selected test results in the Vulnerability Manager Workspace. This method is more efficient than reapplying the Assignment Rules for all test results in the classic UI, which is a time-consuming process. For more information, see Re-evaluate the remediation properties of the records in the Vulnerability Manager Workspace.

    Assignment rules and remediation task assignment

    Usually, you would assign your remediation task (RT) to the same assignment group as the test results in it. That is what the remediation task rules do, by default.

    For example, if your RT groups by configuration item class, the remediation task created can be broken apart by the different assignment groups. An Oracle Database TRG can be assigned to Group 1, and an Oracle Database TRG assigned to Group 2.

    When the assignment group is changed at the remediation task level, all the test results in that remediation task which have same assignment group are updated to the new assignment group. The test results are marked as manually assigned and are not eligible for further rule evaluation.