---
sourceDocument: Zurich Operational Technology Management
sourceDocumentLink: https://www.servicenow.com/docs/r/zurich/operational-technology

 Release :

    - zurich

ft:locale :

    - en-US

ft:publication_title :

    - Zurich Operational Technology Management

ft:clusterId :

    - optm

bundleId :

    - optm

workflow :

    - Technology


---

# Confidence score reference tables for hardware vulnerability assessment

# Confidence score reference tables for hardware vulnerability assessment {#ariaid-title1}

* Release version: Zurich
* 
* Updated July 31, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Reference values used to calculate the confidence score.

## Reference tables {#otvr-hva-confidence-score-ref__section_odd_nkc_2yb}

{#otvr-hva-confidence-score-ref__table_isz_zjc_2yb__entry__4}

| Information available in discovery model for OT device | Information available in CPE mapped to OT device | Partial match score | Additional score for full match |
|-|-|-|-|
| Discovered Publisher name | Publisher | 20 | 5 |
| Discovered Model name | Model | 20 | 5 |
| Discovered Version | Version | 0 | 25 |
[Table 1. Confidence score calculation reference table]

{#otvr-hva-confidence-score-ref__table_isz_zjc_2yb} {#otvr-hva-confidence-score-ref__table_hsz_zjc_2yb__entry__2}

| Score | Value |
|-|-|
| Sum of all scores | 75 |
| Base score Note: Minimum score given to all matched discovery models. | 25 |
| Total score | 100 |
[Table 2. Confidence score summary table]

{#otvr-hva-confidence-score-ref__table_hsz_zjc_2yb}