ICSA-21-194-04: Siemens SINUMERIK Integrate Operate Client
CISA advisory · released 2021-07-13
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 2, 2025-05-06 (final)
CISA's summary
Summary: The latest update for SINUMERIK Integrate Operate Client fixes a vulnerability that could allow an attacker to spoof any SSL server certificate and conduct man-in-the-middle attacks. Siemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SINUMERIK Analyse MyCondition | vers:all/* |
| Siemens | SINUMERIK Analyze MyPerformance | vers:all/* |
| Siemens | SINUMERIK Analyze MyPerformance /OEE-Monitor | vers:all/* |
| Siemens | SINUMERIK Analyze MyPerformance /OEE-Tuning | vers:all/* |
| Siemens | SINUMERIK Integrate Client 02 | >=V02.00.12_<02.00.18 |
| Siemens | SINUMERIK Integrate Client 03 | >=V03.00.12_<03.00.18 |
| Siemens | SINUMERIK Integrate Client 04 | >=V04.00.02_and_V04.00.15_<04.00.18 |
| Siemens | SINUMERIK Integrate for Production 4.1 | <V4.1_SP10_HF3 |
| Siemens | SINUMERIK Integrate for Production 5.1 | V5.1 |
| Siemens | SINUMERIK Manage MyMachines | vers:all/* |
| Siemens | SINUMERIK Manage MyMachines /Remote | vers:all/* |
| Siemens | SINUMERIK Manage MyMachines /Spindel Monitor | vers:all/* |
| Siemens | SINUMERIK Manage MyPrograms | vers:all/* |
| Siemens | SINUMERIK Manage MyResources /Programs | vers:all/* |
| Siemens | SINUMERIK Manage MyResources /Tools | vers:all/* |
| Siemens | SINUMERIK Manage MyTools | vers:all/* |
| Siemens | SINUMERIK Operate V4.8 | <V4.8_SP8 |
| Siemens | SINUMERIK Operate V4.93 | <V4.93_HF7 |
| Siemens | SINUMERIK Operate V4.94 | <V4.94_HF5 |
| Siemens | SINUMERIK Optimize MyProgramming /NX-Cam Editor | vers:all/* |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2021-31892 — CVE-2021-31892 · CWE-295
Due to an error in a third-party dependency the ssl flags used for setting up a TLS connection to a server are overwitten with wrong settings. This results in a missing validation of the server certificate and thus in a possible TLS MITM szenario.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting this vulnerability to CISA.
The advisory's legal notice
Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter "License Terms"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter "Terms of Use"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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