Defectdojo has all the Possible features which is needed for Vulnerability Management. if you want to showcase the test which is done in last month you can showcase that with easy matric.

-Since its opensourced its free to use -Supports importing reports from lots of other tools - Easy to integrate with other tools -SSO supported -Easy to install

The product has a very simple user interface that enables most users to easily navigate around without any hardship or challenge as it is a straightforward tool to most beginners. The software integration with Jira has a huge impact hence it enhances productivity. The software has a very great source vulnerability management tool and because of this, I would recommend it to all the users.