An improper handling of malformed request vulnerability [CWE-228] exists in FortiADC 5.0 all versions, 6.0.0 all versions, 6.1.0 all versions, 6.2.0 through 6.2.3, and 7.0.0 through 7.0.2. This may allow a remote attacker without privileges to bypass some Web Application Firewall (WAF) protection such as the SQL Injection and XSS filters via a malformed HTTP request.

An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiADC GUI version 7.4.0, 7.2.0 through 7.2.1 and before 7.1.3 allows an authenticated attacker to perform an XSS attack via crafted HTTP or HTTPs requests.

A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiADC version 7.0.0 through 7.0.1, 6.2.0 through 6.2.2, 6.1.0 through 6.1.6, 6.0.x, 5.x.x allows attacker to execute arbitrary shell code as root via CLI commands.

Multiple improper neutralization of special elements used in an os command ('OS Command Injection') vulnerabilties [CWE-78] in Fortinet FortiADCManager version 7.1.0 and before 7.0.0, FortiADC version 7.2.0 and before 7.1.2 allows a local authenticated attacker to execute arbitrary shell code as root user via crafted CLI requests.

Multiple buffer copy without checking size of input ('classic buffer overflow') vulnerabilities [CWE-120] in FortiADC version 7.2.0 and before 7.1.2 & FortiDDoS-F version 6.5.0 and before 6.4.1 allows a privileged attacker to execute arbitrary code or commands via specifically crafted CLI requests.

An improper privilege management vulnerability [CWE-269] in FortiADC versions 6.2.1 and below, 6.1.5 and below, 6.0.4 and below, 5.4.5 and below and 5.3.7 and below may allow a remote authenticated attacker with restricted user profile to modify the system files using the shell access.