Dell Unity, version(s) 5.4 and prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to arbitrary command execution as root. Exploitation may lead to a system take over by an attacker. This vulnerability is considered critical as it can be leveraged to completely compromise the operating system. Dell recommends customers to upgrade at the earliest opportunity.