Publication Date:
Last Update:
Current Version: V1.7
CVSS v3.1 Base Score: 6.5
Affected Product and Versions Remediation

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Disable the web server. Note that this feature is disabled by default

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Update to V6.22 or later version

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  • Do not access the product's web service via URLs coming from untrusted sources
  • Disable the web server if possible

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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The vulnerability classification has been performed by using the CVSS scoring system in version 3.1 (CVSS v3.1) (https://www.first.org/cvss/). The CVSS environmental score is specific to the customer’s environment and will impact the overall CVSS score. The environmental score should therefore be individually defined by the customer to accomplish final scoring.

An additional classification has been performed using the CWE classification, a community-developed list of common software security weaknesses. This serves as a common language and as a baseline for weakness identification, mitigation, and prevention efforts. A detailed list of CWE classes can be found at: https://cwe.mitre.org/.

CVSS v3.1 Base Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
CWE CWE-352: Cross-Site Request Forgery (CSRF)

  • K Narahari from Sectrio for reporting the vulnerability

SINUMERIK ONE: This vulnerability affects the integrated SIMATIC S7-1500 CPU.

https://www.siemens.com/cert/advisories

V1.0 (2022-11-08): Publication Date
V1.1 (2022-12-13): Added fix for SIMATIC Drive Controller family, SIMATIC S7-PLCSIM Advanced, and SIMATIC S7-1500 and S7-1200 CPU families
V1.2 (2023-01-10): No fix planned for SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants)
V1.3 (2023-04-11): Replaced S7-1500 with list of individual devices and clarified individual fix state, added fix for SIMATIC WinCC Runtime Advanced
V1.4 (2023-05-09): Added fix for SIMATIC S7-1500 Software Controller
V1.5 (2023-07-11): Added fix for SIMATIC S7-1500 CPU V2 firmware versions; Fix for SIMATIC Drive Controller available already with V2.9.7
V1.6 (2023-08-08): Added fix for SINUMERIK ONE
V1.7 (2023-09-12): Added the affected product SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants); Clarified SIMATIC S7-1500 Software Controller versions and adjusted fix for SIMATIC S7-1500 Software Controller V2