Apache Superset versions <= 2.0.0 utilize Flask with a known default secret key which is used to sign HTTP cookies. These cookies can therefore be forged. If a user is able to login to the site, they can decode the cookie, set their user_id to that of an administrator, and re-sign the cookie. This valid cookie can then be used to login as the targeted user and retrieve database credentials saved in Apache Superset.
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.
– Jim O’Gorman | President, Offensive Security