Publication Date:
Last Update:
Current Version: V1.1
CVSS v3.1 Base Score: 9.8
CVSS v4.0 Base Score: 9.3
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Affected Product and Versions Remediation
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Currently no fix is available
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Open for details

All versions
affected by CVE-2024-33698
Update UMC to V2.11.6. Contact customer support to receive patch and update information.
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Open for details
  • CVE-2024-33698:
    • Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall
    • In addition if no RT server machines are used, port 4004 can be blocked completely

Product-specific remediations or mitigations can be found in the section Affected Products and Solution.
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: 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

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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 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CVSS v4.0 Base Score 9.3
CVSS v4.0 Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE CWE-122: Heap-based Buffer Overflow

  • Tenable for coordinated disclosure

https://www.siemens.com/cert/advisories
V1.0 (2024-09-10): Publication Date
V1.1 (2024-10-08): Added fix for Totally Integrated Automation Portal (TIA Portal) V19 and clarified formulation for mitigation