A Prioritizing Interdiction Surface-Based Vulnerability Remediation Composite Metric for Industrial Control Systems

Table 3

Devices and affected components in the ICS.

Device name	Affected component	Node in AG	Access control	Component impact
Compromised computer	VPN Client	S0	S1	1000
VPN Server	Moxa EDR-G902	S1	S2, S3, S4	10
OPC Server	OPC UA .NET	S2	S3, S5, S6	1
Historian	SIMATIC Process Historian	S3	S5, S6	1
EWS	Windows SMBv3	S4	S2, S3, S7, S8, S9, T	1
OWS1	Siemens Control Center Server Application	S5	S9	1
OWS2	SIMATIC PCS 7	S6	T	1
HMI1	SIMATIC WinCC	S7	S9	9
HMI2	SIMATIC HMI Comfort Panels	S8	T	9
PLC master	SIMATIC S7-1500 CPU	S9	T	10
PLC slave	SIMATIC S7-1200 CPU	T	/	10