Come on :D CVSS of 7.1, Complexity Low, Availability and Confidentiality High. sure...
Complexity High isn't about what an attacker gets, it's about whether or not any specific configuration must exist for the attack to happen. For instance, if an app that talks to several services over different file transfer protocols has a vulnerability in only the FTP component, and these are not under attacker control, that's Complexity High.