Armorlogic Profense Web Application Firewall before 2.2.22, and 2.4.x before 2.4.4, has a default root password hash, and permits password-based root logins over SSH, which makes it easier for remote attackers to obtain access.

Armorlogic Profense Web Application Firewall before 2.2.22, and 2.4.x before 2.4.4, does not properly implement the "negative model," which allows remote attackers to conduct cross-site scripting (XSS) attacks via a modified end tag of a SCRIPT element.

Armorlogic Profense Web Application Firewall before 2.2.22, and 2.4.x before 2.4.4, does not properly implement the "positive model," which allows remote attackers to bypass certain protection mechanisms via a %0A (encoded newline), as demonstrated by a %0A in a cross-site scripting (XSS) attack URL.