SSA-365200

Siemens Security Advisory by Siemens ProductCERT

SSA-365200: Google Chrome Type Confusion Vulnerability in Siemens Products

Publication Date:	2025-10-14
Last Update:	2025-10-14
Current Version:	V1.0
CVSS v3.1 Base Score:	8.1
CVSS v4.0 Base Score:	7.0

SUMMARY

Multiple Siemens products are affected by a type confusion vulnerability in Google Chrome prior to 138.0.7204.96. This could allow a remote attacker to perform arbitrary code execution via a crafted HTML page.

Siemens has released a new version for Industrial Edge App Publisher and recommends to update to the latest version. Siemens is preparing further fix versions and recommends countermeasures for products where fixes are not, or not yet available.

KNOWN AFFECTED PRODUCTS

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Affected Product and Versions	Remediation
HyperLynx All versions affected by CVE-2025-6554	Currently no fix is available
Industrial Edge App Publisher All versions < V1.23.5 affected by CVE-2025-6554	Update to V1.23.5 or later version https://docs.eu1.edge.siemens.cloud/develop_an_application/ieap/download_the_ie_ap.html

WORKAROUNDS AND MITIGATIONS

Product-specific remediations or mitigations can be found in the section Known Affected Products.
Please follow the General Security Recommendations.

GENERAL SECURITY RECOMMENDATIONS

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

PRODUCT DESCRIPTION

HyperLynx is an integrated family of analysis tools for PCB design, schematic capture and post-layout verification

Industrial Edge App Publisher packages Docker images into Industrial Edge Apps for deployment on Industrial Edge Devices

SINAMICS SDI Pro 5.5 is an operator panel for SINAMICS G220, SINAMICS S200 and SINAMICS S210

VULNERABILITY DESCRIPTION

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This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

Vulnerability CVE-2025-6554

Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

CVSS v3.1 Base Score	8.1
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0 Base Score	7.0
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CWE	CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

Product-Specific Vulnerability Description

For the following products, the impact of the vulnerability is different.

HyperLynx:

An attacker would need to modify local files and need access to the application in order to exploit

CVSS v3.1 Base Score	6.6
CVSS v3.1 Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0 Base Score	6.8
CVSS v4.0 Vector	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

ADDITIONAL INFORMATION

For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

HISTORY DATA

V1.0 (2025-10-14):

Publication Date

The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.