CVE-2018-11139: Quest KACE System Management Appliance

High severity, CVSS 8.8. EPSS: 42.4% chance of exploitation in the next 30 days.

The '/common/ajax_email_connection_test.php' script in the Quest KACE System Management Appliance 8.0.318 is accessible by any authenticated user and can be abused to execute arbitrary commands on the system. This script is vulnerable to command injection via the unsanitized user input 'TEST_SERVER' sent to the script via the POST method.

Affected products

• Quest KACE System Management Appliance: version 8.0.318 only

Published 2018-05-31. Last modified 2026-06-17.