CVE-2023-27854: Rockwellautomation Arena

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An arbitrary code execution vulnerability was reported to Rockwell Automation in Arena Simulation that could potentially allow a malicious user to commit unauthorized arbitrary code to the software by using a memory buffer overflow.  The threat-actor could then execute malicious code on the system affecting the confidentiality, integrity, and availability of the product.  The user would need to open a malicious file provided to them by the attacker for the code to execute.

Affected products

• Rockwellautomation Arena: before 16.20.02 (fixed in 16.20.02)

Published 2023-10-27. Last modified 2026-06-17.