CVE-2020-12839: Gogogate Ismartgate Pro Firmware

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

ismartgate PRO 1.5.9 is vulnerable to privilege escalation by appending PHP code to /cron/checkExpirationDate.php.

Affected products

• Gogogate Ismartgate Pro Firmware: version 1.5.9 only

Published 2020-09-24. Last modified 2026-06-17.