Buffer overflow in NetScreen Firewall WebUI allows remote attackers to cause a denial of service via a long URL request to the web administration interface.

NetScreen ScreenOS before 4.0.1 allows remote attackers to bypass the Malicious-URL blocking feature by splitting the URL into fragmented IP requests.

NetScreen ScreenOS 2.8 through 4.0, when forwarding H.323 or Netmeeting traffic, allows remote attackers to cause a denial of service (firewall session table consumption) by establishing multiple half-open H.323 sessions, which are not cleaned up on garbage removal and do not time out for 36 hours.

Cross-site scripting (XSS) vulnerability in delhomepage.cgi in NetScreen-SA 5000 Series running firmware 3.3 Patch 1 (build 4797) allows remote authenticated users to execute arbitrary script as other users via the row parameter.

Behavioral discrepancy information leak in Juniper Netscreen VPN running ScreenOS 5.2.0 and earlier, when using IKE with pre-shared key authentication, allows remote attackers to enumerate valid usernames via an IKE Aggressive Mode packet, which generates a response if the username is valid but does not respond when the username is invalid.