Answer:
Attack vector
Step-by-step explanation:
Attack vector is simply a pathway in which an attacker make use to access an manipulate a targeted system.
This kind of attack maybe to a server, computer and so on, the attacker try as much as possible to penetrate into the system to cause havoc or attack.
Examples of attack vector are as follows :1) email attachment, 2) viruses 3) pop-up window 4) malware 5) web pages, among others.
So vulnerability must be fixed at the root cause to avoid creating another route of attack