CVE-2020-12839
ismartgate PRO 1.5.9 is vulnerable to privilege escalation by appending PHP code to /cron/checkExpirationDate.php.
Date published : 2020-09-24
https://ismartgate.com/secure-garage-door/
https://kth.diva-portal.org/smash/get/diva2:1464458/FULLTEXT01.pdf