CVE-2021-32951: Advantech Webaccess/nms

Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days.

WebAccess/NMS (Versions prior to v3.0.3_Build6299) has an improper authentication vulnerability, which may allow unauthorized users to view resources monitored and controlled by the WebAccess/NMS, as well as IP addresses and names of all the devices managed via WebAccess/NMS.

Affected products

• Advantech Webaccess/nms: up to and including 3.0.3

Published 2021-10-27. Last modified 2026-06-17.