CVE-2011-5008: 3ssoftware Codesys

High severity, CVSS 7.5. EPSS: 5% chance of exploitation in the next 30 days.

Integer overflow in the GatewayService component in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to execute arbitrary code via a large size value in the packet header, which triggers a heap-based buffer overflow.

Affected products

• 3ssoftware Codesys: version 3.4 only

Published 2011-12-25. Last modified 2026-06-16.