NetScreen ScreenOS Firewall Policy Bypass Vulnerability
NetScreen is a line of internet security appliances inetgrating firewall, VPN and traffic management features.
Versions of ScreenOS, the inbuild OS of two models in the NetScreen line (NetScreen-10 & -100) contain a flaw which may permit some packets, of a type which has been denied, to enter the DMZ.
As a result of this vulnerability, potentially malicious packets of a type which has been prohibited in the device's policy may, to a limited extent, reach the DMZ network.
Further details of this vulnerability were not made available.