Thank you for your message. There was a vulnerability reported & the same has been addressed with the new update.    You can access the official communication here    
Can someone from Dell verify the latest version of SA? I became concerned after reading this article. The article indicated the latest version for the fix is v3.2.0.90.  However, the latest version on Dell website is v3.2.1.94. Considering that the article was published just a few days ago, I don't know if v3.2.1.94 contains the fix...
latest version of SupportAssist as of May 2019