public CvssV3(string vector)
{
vector = vector.Trim('/', ' ');
if (!vector.StartsWith(VectorPrefix))
{
throw new ArgumentException($"Vector must begin with prefix \"{VectorPrefix}\"", nameof(vector));
}
var metricParts = vector.Split('/').Skip(1);
var metricRegex = new Regex("[A-Za-z]+:[A-Za-z]{1}");
var parsedMetrics = new List <string>();
foreach (var metricVector in metricParts)
{
if (!metricRegex.IsMatch(metricVector))
{
throw new ArgumentException($"Invalid vector-part \"{metricVector}\"", nameof(vector));
}
var kv = metricVector.Split(':');
var value = kv[1];
var key = kv[0].ToUpperInvariant();
parsedMetrics.Add(key);
switch (key)
{
case "AV": AttackVector = EnumParser.AttackVector(value); break;
case "AC": AttackComplexity = EnumParser.AttackComplexity(value); break;
case "PR": PrivilegesRequired = EnumParser.PrivilegesRequired(value); break;
case "UI": UserInteraction = EnumParser.UserInteraction(value); break;
case "S": Scope = EnumParser.Scope(value); break;
case "C": ConfidentialityImpact = EnumParser.Impact(value, "C"); break;
case "I": IntegrityImpact = EnumParser.Impact(value, "I"); break;
case "A": AvailabilityImpact = EnumParser.Impact(value, "A"); break;
case "E": ExploitCodeMaturity = EnumParser.ExploitCodeMaturity(value); break;
case "RL": RemediationLevel = EnumParser.RemediationLevel(value); break;
case "RC": ReportConfidence = EnumParser.ReportConfidence(value); break;
case "CR": ConfidentialityRequirement = EnumParser.SecurityRequirement(value, "CR"); break;
case "IR": IntegrityRequirement = EnumParser.SecurityRequirement(value, "IR"); break;
case "AR": AvailabilityRequirement = EnumParser.SecurityRequirement(value, "AR"); break;
case "MAV": ModifiedAttackVector = EnumParser.Modified(value, "MAV", EnumParser.AttackVector); break;
case "MAC": ModifiedAttackComplexity = EnumParser.Modified(value, "MAC", EnumParser.AttackComplexity); break;
case "MPR": ModifiedPrivilegesRequired = EnumParser.Modified(value, "MPR", EnumParser.PrivilegesRequired); break;
case "MUI": ModifiedUserInteraction = EnumParser.Modified(value, "MUI", EnumParser.UserInteraction); break;
case "MS": ModifiedScope = EnumParser.Modified(value, "MS", EnumParser.Scope); break;
case "MC": ModifiedConfidentialityImpact = EnumParser.Modified(value, "MC", EnumParser.Impact); break;
case "MI": ModifiedIntegrityImpact = EnumParser.Modified(value, "MI", EnumParser.Impact); break;
case "MA": ModifiedAvailabilityImpact = EnumParser.Modified(value, "MA", EnumParser.Impact); break;
}
}
CheckRequiredMetrics(parsedMetrics);
CalculateScores();
}