CVE-2019-6554: Advantech Webaccess

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Advantech WebAccess/SCADA, Versions 8.3.5 and prior. An improper access control vulnerability may allow an attacker to cause a denial-of-service condition.

Affected products

• Advantech Webaccess: up to and including 8.3.5

Published 2019-04-05. Last modified 2026-06-17.