ICSA-23-285-09: Siemens CPCI85 Firmware of SICAM A8000 Devices
CISA advisory · released 2023-10-10
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 1, 2023-10-10 (final)
CISA's summary
Summary: The CPCI85 firmware of SICAM A8000 CP-8031 and CP-8050 contains a hard-coded ID in the SSH authorized_keys configuration file. An attacker with knowledge of the corresponding credential could login to the device via SSH. Only devices with activated debug support are affected. Siemens has released updates for the affected products and recommends to update to the latest versions.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | CP-8031 MASTER MODULE (6MF2803-1AA00) | <CPCI85_V05.11_only_with_activated_debug_support |
| Siemens | CP-8050 MASTER MODULE (6MF2805-0AA00) | <CPCI85_V05.11_only_with_activated_debug_support |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2023-36380 — CVE-2023-36380 · CWE-798
The affected devices contain a hard-coded ID in the SSH `authorized_keys` configuration file. An attacker with knowledge of the corresponding private key could login to the device via SSH. Only devices with activated debug support are affected.
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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