The Websense V10000 appliance before 1.0.1 allows remote attackers to cause a denial of service (intermittent LDAP authentication outage) via a login attempt with an incorrect password.

The Websense V10000 appliance before 1.0.1 allows remote attackers to cause a denial of service (memory consumption and process crash) via a large file that is not properly handled during buffering.

The Receive Service in Websense Email Security before 7.1 does not recognize domain extensions in the blacklist, which allows remote attackers to bypass intended access restrictions and send e-mail messages via an SMTP session.

The Rules Service in Websense Email Security before 7.1 allows remote attackers to cause a denial of service (service crash) via an attachment with a crafted size.

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.

Multiple cross-site scripting (XSS) vulnerabilities in monitor/m_overview.ink in Websense Content Gateway before 7.7.3 allow remote attackers to inject arbitrary web script or HTML via the (1) menu or (2) item parameter.

The ISAPI Filter plug-in in Websense Enterprise, Websense Web Security, and Websense Web Filter 6.3.3 and earlier, when used in conjunction with a Microsoft ISA or Microsoft Forefront TMG server, allows remote attackers to bypass intended filtering and monitoring activities for web traffic via an HTTP Via header.

The default configuration of the SMTP component in Websense Email Security 6.1 through 7.3 enables weak SSL ciphers in the "SurfControl plc\SuperScout Email Filter\SMTP" registry key, 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 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.