Hacker theflow0 just tweeted some time ago that he found vurnabilties on ps4 firmware 6.20 after some time he said i have no vurnabilties.. Here i found somthing in this screenshot that theflow0 just sold vurnabilties to sony for $10000...ps4 scene is now pretty much dead..
Interesting, that's not to say they won't be released at some point once patched in the current firmware.