CVE-2020-12019: Advantech Webaccess

Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days.

WebAccess Node Version 8.4.4 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code.

Affected products

• Advantech Webaccess: up to and including 8.4.4

Published 2020-06-15. Last modified 2026-06-17.