fix CVSS2.0 test case

Author: valentijnscholten

unittests/test_rest_framework.py

@@ -1311,12 +1311,19 @@ def test_cvss3_validation(self):
             self.assertEqual(None, Finding.objects.get(id=3).cvssv3)
 
         with self.subTest(i=4):
-            # CVSS2 style vector makes it invalid
+            # CVSS2 style vector makes not supported
             result = self.client.patch(self.url + "3/", data={"cvssv3": "AV:N/AC:L/Au:N/C:P/I:P/A:P"})
             self.assertEqual(result.status_code, status.HTTP_400_BAD_REQUEST)
             self.assertEqual(result.json()["cvssv3"], ["Unsupported CVSS(2) version detected."])
             self.assertEqual(None, Finding.objects.get(id=3).cvssv3)
 
+        with self.subTest(i=5):
+            # CVSS2 prefix makes it invalid
+            result = self.client.patch(self.url + "3/", data={"cvssv3": "CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:P"})
+            self.assertEqual(result.status_code, status.HTTP_400_BAD_REQUEST)
+            self.assertEqual(result.json()["cvssv3"], ["No CVSS vectors found by cvss.parse_cvss_from_text()"])
+            self.assertEqual(None, Finding.objects.get(id=3).cvssv3)
+
 
 class FindingMetadataTest(BaseClass.BaseClassTest):
     fixtures = ["dojo_testdata.json"]