CVE-2020-25238: Siemens SIMATIC Process Control System Neo

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability has been identified in PCS neo (Administration Console) (All versions < V3.1), TIA Portal (V15, V15.1 and V16). Manipulating certain files in specific folders could allow a local attacker to execute code with SYSTEM privileges. The security vulnerability could be exploited by an attacker with a valid account and limited access rights on the system.

Affected products

• Siemens SIMATIC Process Control System Neo: before 3.1 (fixed in 3.1)
• Siemens Totally Integrated Automation Portal: version 15 only; version 15.1 only; version 16 only

Published 2021-02-09. Last modified 2026-06-17.