Analyzing the vulnerabilities and giving ranking to each vulnerability (ranking ranges between 1 to 37), higher the rank the chances of getting the vulnerability exploited is more.
More commonly vendors keep a track of vulnerabilities ranking between 10 and 37.
What is vulnerability ranking?
A vulnerability with a ranking of 10.00 is 10times more likely to be exploited than a vulnerability with a ranking of 1.0
Data input: Web Scraping
Drawback: Dependency on Historical data, Its hard to analyse the rating for new Vulnerabilities because of lack of data and the training and testing set data ranges are different and we cannot club them.