calculating CVSS score

Signed-off-by: Ziad <ziadhany2016@gmail.com>

Author: ziadhany

vulnerabilities/models.py

@@ -278,7 +278,6 @@ def get_absolute_url(self):
 
 
 class PackageRelatedVulnerability(models.Model):
-
     # TODO: Fix related_name
     package = models.ForeignKey(
         Package,
@@ -351,7 +350,6 @@ def update_or_create(self):
 
 
 class VulnerabilitySeverity(models.Model):
-
     reference = models.ForeignKey(VulnerabilityReference, on_delete=models.CASCADE)
 
     scoring_system_choices = tuple(
@@ -371,6 +369,14 @@ class VulnerabilitySeverity(models.Model):
 
     value = models.CharField(max_length=50, help_text="Example: 9.0, Important, High")
 
+    @property
+    def scoring_element(self):
+        try:
+            score = SCORING_SYSTEMS[self.scoring_system].as_score(self.value)
+            return score
+        except NotImplementedError:
+            return
+
     class Meta:
         unique_together = ["reference", "scoring_system", "value"]
         ordering = ["reference", "scoring_system", "value"]