A hard-coded account named 'upgrade' in Fortinet FortiWLM 8.3.0 and lower versions allows a remote attacker to log-in and execute commands with 'upgrade' account privileges.

Multiple relative path traversal vulnerabilities [CWE-23] in FortiWLM management interface 8.6.2 and below, 8.5.2 and below, 8.4.2 and below, 8.3.3 and below, 8.2.2 may allow an authenticated attacker to retrieve arbitrary files from the underlying filesystem via specially crafted web requests.

A relative path traversal in Fortinet FortiWLM version 8.6.0 through 8.6.5 and 8.5.0 through 8.5.4 and 8.4.2 through 8.4.0 and 8.3.2 through 8.3.0 and 8.2.2 allows attacker to read arbitrary files via crafted http requests.