CVE-2023-46663: Sielco POLYECO1000 Firmware

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Sielco PolyEco1000 is vulnerable to an attacker bypassing authorization and accessing resources behind protected pages. The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests.

Affected products

• Sielco POLYECO1000 Firmware: version 1.9.3 only; version 1.9.4 only; version 2.0.6 only; version 10.19 only
• Sielco POLYECO300 Firmware: version 2.0.0 only; version 2.0.2 only; version 10.19 only
• Sielco POLYECO500 Firmware: version 1.7.0 only; version 10.16 only

Published 2023-10-26. Last modified 2026-06-17.