CVE-2023-26293

Name: CVE-2023-26293
Creator: NVD / NIST
Published: 2023-04-11T10:15:18.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2023-26293 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

0.25%

16.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Tia Portal	15
Siemens	Tia Portal	16
Siemens	Tia Portal	17
Siemens	Tia Portal	18

References

https://cert-portal.siemens.com/productcert/html/ssa-116924.html
https://cert-portal.siemens.com/productcert/pdf/ssa-116924.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-116924.pdfPatch, Vendor Advisory

Timeline

Published: Apr 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26293?

How severe is CVE-2023-26293?

CVE-2023-26293 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26293?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26293?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST