CVE-2021-40397: Advantech Wise-Paas/ota

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A privilege escalation vulnerability exists in the installation of Advantech WISE-PaaS/OTA Server 3.0.9. A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

• Advantech Wise-Paas/ota: version 3.0.9 only

Published 2022-01-28. Last modified 2026-06-17.