The NVD on-demand update page does not allow for any options to be selected. Also, the 'Status' is stuck on "Importing CVSS3.
Navigate to Vulnerability Response > On-Demand Update module, the National Vulnerability Database feeds listed are showing the status of "Importing CVSS3"
On reviewing "Vulnerability Data Source Import Queue Entries" reports error "Encountered error trying to add attachment to queue entry. Error was Error: no attachment found" for "NVD CVSS Import" data source
Madrid Patch 3
navigate to System properties--> Security, add zip to "list of file extensions..."
in Madrid path 4, there is a new version of NVD import which will totally use JSON file to parse all the information and using JAVA to do parse, which will be faster. so you could alternately upgrade to Madrid Patch 4 as well.