CVE-2018-13355: TerraMaster Operating System

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Incorrect access controls in ajaxdata.php in TerraMaster TOS version 3.1.03 allow attackers to create user groups without proper authorization.

Affected products

• TerraMaster TerraMaster Operating System: version 3.1.03 only

Published 2018-11-27. Last modified 2026-06-17.