CVE-2021-21912: Advantech R-Seenet

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A privilege escalation vulnerability exists in the Windows version of installation for Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021). 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 R-Seenet: version 2.4.15 only

Published 2021-12-22. Last modified 2026-06-17.