ICSA-18-067-01: Siemens SIPROTEC 4, SIPROTEC Compact, DIGSI 4, and EN100 Ethernet Module (Update D)
CISA advisory · released 2018-03-08
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 7, 2025-05-06 (final)
CISA's summary
Summary: SIPROTEC 4 and SIPROTEC Compact devices could allow access authorization passwords to be reconstructed or overwritten via engineering mechanisms that involve DIGSI 4 and EN100 Ethernet communication modules. Siemens has released updates for several affected products, and recommends specific countermeasures for the remaining products.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | DIGSI 4 | <V4.92 |
| Siemens | EN100 Ethernet module DNP3 variant | <V1.05.00 |
| Siemens | EN100 Ethernet module IEC 104 variant | vers:all/* |
| Siemens | EN100 Ethernet module IEC 61850 variant | <V4.30 |
| Siemens | EN100 Ethernet module Modbus TCP variant | vers:all/* |
| Siemens | EN100 Ethernet module PROFINET IO variant | vers:all/* |
| Siemens | Other SIPROTEC 4 relays | vers:all/* |
| Siemens | Other SIPROTEC Compact relays | vers:all/* |
| Siemens | SIPROTEC 4 7SD80 | <V4.70 |
| Siemens | SIPROTEC 4 7SJ61 | <V4.96 |
| Siemens | SIPROTEC 4 7SJ62 | <V4.96 |
| Siemens | SIPROTEC 4 7SJ64 | <V4.96 |
| Siemens | SIPROTEC 4 7SJ66 | <V4.30 |
| Siemens | SIPROTEC Compact 7SJ80 | <V4.77 |
| Siemens | SIPROTEC Compact 7SK80 | <V4.77 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2018-4839 — CVE-2018-4839 · CWE-326
An attacker with local access to the engineering system or in a privileged network position and able to obtain certain network traffic could possibly reconstruct access authorization passwords.
- CVE-2018-4840 — CVE-2018-4840 · CWE-306
The device engineering mechanism allows an unauthenticated remote user to upload a modified device configuration overwriting access authorization passwords.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting these vulnerabilities to CISA.
- Ilya Karpov, Dmitry Sklyarov, Positive Technologies: coordinated disclosure
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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