Confidence score reference tables for hardware vulnerability assessment

Reference values used to calculate the confidence score.

Reference tables

Table 1. Confidence score calculation reference table

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 2. Confidence score summary table

Score	Value
Sum of all scores	75
Base score Note: Minimum score given to all matched discovery models.	25
Total score	100