--- parser.py	2023-02-24 13:02:06.899057381 +0100
+++ parser.py.new	2023-02-24 14:01:40.038846882 +0100
@@ -49,12 +49,13 @@
                 cwe = 0
                 description = ""
                 classifications = issue.find('Classifications')
-                for content in classifications.findall('Classification'):
-                    # detect CWE number
-                    # TODO support more than one CWE number
-                    if "kind" in content.attrib and "CWE" == content.attrib["kind"]:
-                        cwe = MicrofocusWebinspectParser.get_cwe(content.attrib['identifier'])
-                        description += "\n\n" + content.text + "\n"
+                if classifications is not None:
+                  for content in classifications.findall('Classification'):
+                      # detect CWE number
+                      # TODO support more than one CWE number
+                      if "kind" in content.attrib and "CWE" == content.attrib["kind"]:
+                          cwe = MicrofocusWebinspectParser.get_cwe(content.attrib['identifier'])
+                          description += "\n\n" + content.text + "\n"
 
                 finding = Finding(
                     title=issue.findtext('Name'),
@@ -99,6 +100,8 @@
             return "Medium"
         elif val == "3":
             return "High"
+        elif val == "4":
+            return "Critical"
         else:
             return "Info"