CVE-2010-4709: Automatedsolutions Modbus/tcp Master Opc Server

High severity, CVSS 7.6. EPSS: 16.2% chance of exploitation in the next 30 days.

Heap-based buffer overflow in Automated Solutions Modbus/TCP Master OPC Server before 3.0.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a MODBUS response packet with a crafted length field.

Affected products

• Automatedsolutions Modbus/tcp Master Opc Server: up to and including 3.0.1; version 2.0 only; version 2.0_build_1 only; version 2.0a only; version 2.1 only; version 2.2 only; …

Published 2011-01-28. Last modified 2026-06-16.