CVE-2021-44161: Changingtec Motp

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Changing MOTP (Mobile One Time Password) system’s specific function parameter has insufficient validation for user input. A attacker in local area network can perform SQL injection attack to read, modify or delete backend database without authentication.

Affected products

• Changingtec Motp: from 3.5

Published 2021-12-29. Last modified 2026-06-17.