CVE-2021-21916: Advantech R-Seenet

High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days.

An exploitable SQL injection vulnerability exist in the ‘group_list’ page of the Advantech R-SeeNet 2.4.15 (30.07.2021). A specially-crafted HTTP request at 'description_filter’ parameter. An attacker can make authenticated HTTP requests to trigger this vulnerability. This can be done as any authenticated user or through cross-site request forgery.

Affected products

• Advantech R-Seenet: version 2.4.15 only

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