CVE-2021-21803: Advantech R-Seenet

Medium severity, CVSS 6.1. EPSS: 7.9% chance of exploitation in the next 30 days.

This vulnerability is present in device_graph_page.php script, which is a part of the Advantech R-SeeNet web applications. A specially crafted URL by an attacker and visited by a victim can lead to arbitrary JavaScript code execution.

Affected products

• Advantech R-Seenet: version 2.4.12 only

Published 2021-07-16. Last modified 2026-06-17.