Publication Date:
Last Update:
Current Version: V1.0
CVSS v3.1 Base Score: 7.5
CVSS v4.0 Base Score: 8.7
Affected Product and Versions Remediation

All versions
affected by all CVEs
Currently no fix is available
  • Restrict access to the Modbus-TCP network by blocking incoming connections to port 80/tcp, e.g. in a firewall

Please follow the 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:, and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at:

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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.

CVSS v3.1 Base Score 7.5
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0 Base Score 8.7
CWE CWE-912: Hidden Functionality

V1.0 (2024-03-12): Publication Date