A vulnerability in Antminer Monitor 0.50.0 exists because of backdoor or misconfiguration inside a settings file in flask server. Settings file has a predefined secret string, which would be randomly generated, however it is static.
https://www.exploit-db.com/exploits/50267
https://packetstormsecurity.com/files/164048/Antminer-Monitor-0.5.0-Authentication-Bypass.html