Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port from the same IP address.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This vulnerability has a 1.68% probability of being exploited in the next 30 days, ranking higher than 76% of all scored CVEs.