A vulnerability has been discovered in Fortinet FortiMail that could allow for arbitrary code execution. Fortinet FortiMail is a secure email gateway that protects organizations from inbound threats including spam, phishing, malware, and business email compromise, while also preventing outbound data loss across physical, virtual, and cloud deployments. Successful exploitation of this vulnerability could allow an unauthenticated attacker to write arbitrary files to the underlying system, which could potentially lead to arbitrary code execution.