CVE-2023-26293: Siemens Tia Portal

High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability has been identified in Totally Integrated Automation Portal (TIA Portal) V15 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions < V16 Update 7), Totally Integrated Automation Portal (TIA Portal) V17 (All versions < V17 Update 6), Totally Integrated Automation Portal (TIA Portal) V18 (All versions < V18 Update 1). Affected products contain a path traversal vulnerability that could allow the creation or overwrite of arbitrary files in the engineering system. If the user is tricked to open a malicious PC system configuration file, an attacker could exploit this vulnerability to achieve arbitrary code execution.

Affected products

• Siemens Tia Portal: version 15 only; version 16 only; version 17 only; version 18 only

Published 2023-04-11. Last modified 2026-06-17.