Executive brief
Rockwell Automation Arena Simulation is a software tool used by businesses to model and optimize complex industrial systems. A security flaw in its Siman component could allow an attacker to take control of a user's computer if the user is tricked into opening a specially crafted malicious file. This could lead to unauthorized access to sensitive data or disruption of business operations.
Technical details
An out-of-bounds write vulnerability (CWE-787) exists in the siman.exe (Siman) component of Rockwell Automation Arena Simulation. The issue is caused by improper validation of user-supplied data when parsing files. An attacker can exploit this by convincing a user to open a maliciously crafted file, leading to memory corruption and arbitrary code execution in the context of the current process. The vulnerability affects versions V17.00.00 and prior, and has been addressed in version V17.00.01.
Affected products
- Rockwell Automation Arena Simulation V17.00.00 and prior
Timeline
- 2026-07-14: disclosed
- 2026-07-14: advisory
- 2026-07-14: patched