Multiple improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.19 and below may allow an authenticated attacker to execute unauthorized code or commands via crafted parameters of HTTP requests.

A relative path traversal vulnerability [CWE-23] in FortiWeb version 7.0.1 and below, 6.4 all versions, 6.3 all versions, 6.2 all versions may allow an authenticated user to obtain unauthorized access to files and data via specifically crafted web requests.

A stack-based buffer overflow vulnerability [CWE-121] in FortiWeb version 7.0.1 and earlier, 6.4 all versions, version 6.3.19 and earlier may allow a privileged attacker to execute arbitrary code or commands via specifically crafted CLI `execute backup-local rename` and `execute backup-local show` operations.

A stack-based buffer overflow vulnerability [CWE-121] in the CA sign functionality of FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.19 and below may allow an authenticated attacker to achieve arbitrary code execution via specifically crafted password.

An improper neutralization of special elements used in an os command ('OS Command Injection') [CWE-78] in FortiWeb 7.0.0 through 7.0.1, 6.3.0 through 6.3.19, 6.4 all versions may allow an authenticated attacker to execute arbitrary shell code as `root` user via crafted HTTP requests.

A relative path traversal vulnerability [CWE-23] in FortiWeb 7.0.0 through 7.0.1, 6.3.6 through 6.3.18, 6.4 all versions may allow an authenticated attacker to obtain unauthorized access to files and data via specifically crafted HTTP GET requests.

A path traversal vulnerability [CWE-23] in the API of FortiWeb 7.0.0 through 7.0.1, 6.3.0 through 6.3.19, 6.4 all versions, 6.2 all versions, 6.1 all versions, 6.0 all versions may allow an authenticated attacker to retrieve specific parts of files from the underlying file system via specially crafted web requests.

An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker to inject arbitrary headers.

A heap-based buffer overflow in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests to the LogReport API controller.

Multiple stack-based buffer overflows in the API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted requests.