ICSA-23-348-04: Siemens LOGO! and SIPLUS LOGO!
CISA advisory · released 2023-12-12
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 4, 2025-05-06 (final)
CISA's summary
Summary: LOGO! V8.3 BM (incl. SIPLUS variants) devices contain a vulnerability that could allow an electromagnetic fault injection. This could allow an attacker to dump and debug the firmware, including the manipulation of memory. Further actions could allow to inject public keys of custom created key pairs which are then signed by the LOGO! V8.3 Product CA. The vulnerability is related to the specific hardware architecture of the LOGO! V8.3 BM. Siemens has released new hardware versions with the LOGO! V8.4 BM and the SIPLUS LOGO! V8.4 BM product families for all affected devices in which the vulnerability is fixed and the Product CA private key is rotated. See the chapter "Additional Information" below for more details. For more information please also refer to the related product support article: https://support.industry.siemens.com/cs/ww/en/view/109826554/.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | LOGO! 12/24RCE (6ED1052-1MD08-0BA1) | >=V8.3 |
| Siemens | LOGO! 12/24RCEo (6ED1052-2MD08-0BA1) | >=V8.3 |
| Siemens | LOGO! 24CE (6ED1052-1CC08-0BA1) | >=V8.3 |
| Siemens | LOGO! 24CEo (6ED1052-2CC08-0BA1) | >=V8.3 |
| Siemens | LOGO! 24RCE (6ED1052-1HB08-0BA1) | >=V8.3 |
| Siemens | LOGO! 24RCEo (6ED1052-2HB08-0BA1) | >=V8.3 |
| Siemens | LOGO! 230RCE (6ED1052-1FB08-0BA1) | >=V8.3 |
| Siemens | LOGO! 230RCEo (6ED1052-2FB08-0BA1) | >=V8.3 |
| Siemens | SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA1) | >=V8.3 |
| Siemens | SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA1) | >=V8.3 |
| Siemens | SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA1) | >=V8.3 |
| Siemens | SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA1) | >=V8.3 |
| Siemens | SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA1) | >=V8.3 |
| Siemens | SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA1) | >=V8.3 |
| Siemens | SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA1) | >=V8.3 |
| Siemens | SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA1) | >=V8.3 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2022-42784 — CVE-2022-42784 · CWE-1319
Affected devices are vulnerable to an electromagnetic fault injection. This could allow an attacker to dump and debug the firmware, including the manipulation of memory. Further actions could allow to inject public keys of custom created key pairs which are then signed by the product CA. The generation of a custom certificate allows communication with, and impersonation of, any device of the same version.
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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