Barracuda Web Filter 7.x and 8.x before 8.1.0.005, when SSL Inspection is enabled, uses the same root Certification Authority certificate across different customers' installations, which makes it easier for remote attackers to conduct man-in-the-middle attacks against SSL sessions by leveraging the certificate's trust relationship.

The Filtering Service in Websense Web Security and Web Filter before 6.3.1 Hotfix 106 and 7.x before 7.1 allow remote attackers to cause a denial of service (filtering outage) via a crafted URL.

The default configuration of Apache Tomcat in Websense Manager in Websense Web Security 7.0 and Web Filter 7.0 allows connections to TCP port 1812 from arbitrary source IP addresses, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via UTF-7 text to the 404 error page of a Project Woodstock service on this port.

The Remote Filtering component in Websense Web Security and Web Filter before 6.3.3 Hotfix 18 and 7.x before 7.1.1 allows remote attackers to cause a denial of service (daemon exit) via a large volume of traffic.

Websense Web Security and Web Filter before 6.3.3 Hotfix 27 and 7.x before 7.1.1 allow remote attackers to cause a denial of service (Blue Coat appliance integration outage) via a long URL.

The default configuration of Apache Tomcat in Websense Manager in Websense Web Security 7.0 and Web Filter 7.0 enables weak SSL ciphers in conf/server.xml, which makes it easier for remote attackers to obtain sensitive information by sniffing the network and then conducting a brute-force attack against encrypted session data.

The Remote Filtering component in Websense Web Security and Web Filter before 7.1 Hotfix 66 allows local users to bypass filtering by (1) renaming the WDC.exe file or (2) deleting driver files.

The Filtering Service in Websense Web Security and Web Filter before 6.3.1 Hotfix 136 and 7.x before 7.1.1 on Windows allows remote attackers to cause a denial of service (filtering outage) via a crafted sequence of characters in a URI.