Directory traversal vulnerability in minion id validation in SaltStack Salt before 2016.11.7 and 2017.7.x before 2017.7.1 allows remote minions with incorrect credentials to authenticate to a master via a crafted minion ID.
https://github.com/saltstack/salt/pull/42944
https://docs.saltstack.com/en/latest/topics/releases/2017.7.1.html
https://docs.saltstack.com/en/2016.11/topics/releases/2016.11.7.html
https://bugzilla.redhat.com/show_bug.cgi?id=1482006