   public <T> JAXBElement<T> unmarshal(Source source, Class<T> declaredType) throws JAXBException
   {
      if(source instanceof SAXSource)
      {
         try
         {
            SAXParserFactory spf = SAXParserFactory.newInstance();
            SAXParser sp = spf.newSAXParser();
            XMLReader xmlReader = sp.getXMLReader();
            xmlReader.setFeature("http://xml.org/sax/features/validation", false);
            xmlReader.setFeature("http://xml.org/sax/features/external-general-entities", false);
            xmlReader.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
            xmlReader.setFeature("http://xml.org/sax/features/namespaces", true);
            ((SAXSource) source).setXMLReader(xmlReader);
            return delegate.unmarshal(source, declaredType);
         }
         catch (SAXException e)
         {
            throw new JAXBException(e);
         }
         catch (ParserConfigurationException e)
         {
            throw new JAXBException(e);
         }
      }
      
      throw new UnsupportedOperationException(errorMessage("Source, Class<T>"));
   }

NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset.