CVE-2023-26293

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.

CVSS 3.1

7.3CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

EPSS

0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-25)

CWEs

CWE-20, CWE-22

Published

2023-04-11

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

Affected

• siemens:tia_portal

References

• https://cert-portal.siemens.com/productcert/html/ssa-116924.html
• https://cert-portal.siemens.com/productcert/pdf/ssa-116924.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-116924.pdf

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