If you haven't already, time to patch Redis. Otherwise, please setup authentication in front of your Redis instance.
This remote code execution is going to get nasty http://www.shodanhq.com/search?q=redis_version and https://benmmurphy.github.io/blog/2015/06/04/redis-eval-lua-sandbox-escape/ . Time to bring up a few honeypots to grab some decent exploits and related kits.