30 mins to hack OS X

On the 22nd of February, a Swedish site started a contest to see if someone could hack into Mac OS X.
It took only 30 mins for a hacker to successfully utilize an exploit.
The hacker used a fault that had not been reported about Mac OS X.
We don't have any details about this fault nor on the version of OS X affected, although this is probably preferable, since it isn't corrected.
Like every operating system, OS X probably has a number of potential exploits; it is as inevitable as finding water in the bottom of a boat. Apple needs to be quick in reacting to fix these.
[UPDATE] Obviously, things were simplified for the hackers, as they had SSH access to the machine. The exploit was actually an escalation of rights to become root, and not really penetrating the machine.
Therefore the fault is less critical as it requires preexisting access to perform the exploit.