Add new Weakness.cwe property

This is the CWE-prefixed value that we want to commonly display.

Signed-off-by: Philippe Ombredanne <[email protected]>

Author: pombredanne

vulnerabilities/models.py

@@ -315,6 +315,10 @@ class Weakness(models.Model):
     vulnerabilities = models.ManyToManyField(Vulnerability, related_name="weaknesses")
     db = Database()
 
+    @property
+    def cwe(self):
+        return f"CWE-{self.cwe_id}"
+
     @property
     def weakness(self):
         """