A Comparative Study of JASO TP15002-Based Security Risk Assessment Methods for Connected Vehicle System Design

Table 14

: Attack Ease for CRSS: Value for Rank of Each Metric defined in [76].

Metric	Rank	Criteria	Value
Access Vector	Local (L)	SD/USB, OBD-II, Radar/Sensor	0.395
(AV)	Adjacent (A)	CWC, BT/Wi-Fi/IR, DSRC, GPA	0.646
	Network (N)	Mobile Communication	1.000
Access Complexity	High (H)	3 or more	0.350
(AC)	Middle (M)	2	0.610
	Low (L)	1	0.710
Authentication	Multiple (M)	2 or more	0.450
(Au)	Single (S)	1	0.560
	None (N)	0	0.704