CVE-2019-13548

CODESYS V3 web server, all versions prior to 3.5.14.10, allows an attacker to send specially crafted http or https requests which could cause a stack overflow and create a denial-of-service condition or allow remote code execution.

CVE-2019-18858

CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.

CVE-2021-33485

CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow.