CVE-2020-21786: Ibos

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

In IBOS 4.5.4 Open, Arbitrary File Inclusion causes getshell via /system/modules/dashboard/controllers/CronController.php.

Affected products

• Ibos Ibos: version 4.5.4 only

Published 2021-06-24. Last modified 2026-06-17.