The vulnerability of the siman.exe executable file of Rockwell Automation Arena’s discrete event simulation and automation software allows a hacker to execute arbitrary code.

The vulnerability of the siman.exe executable file of Rockwell Automation Arena’s discrete event simulation and automation software is related to the execution of operations beyond the buffer in memory due to incorrect validation of input data. Exploiting this vulnerability can allow an attacker ...

EUVD-2026-43673

A security issue exists within Arena® Simulation due to a memory corruption vulnerability in the siman.exe Siman component. The vulnerability stems from improper validation of user-supplied data, which can result in an out-of-bounds write. An attacker could leverage this vulnerability to execute...

PT-2026-58022

Name of the Vulnerable Software and Affected Versions Arena Simulation affected versions not specified Description A memory corruption issue exists in the siman.exe Siman component. The flaw is caused by improper validation of user-supplied data, leading to an out-of-bounds write, which occurs wh...