ICSA-22-195-16: Siemens EN100 Ethernet Module
CISA advisory · released 2022-07-12
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 1, 2022-07-12 (final)
CISA's summary
Summary: EN100 Ethernet module is affected by memory corruption vulnerability (CVE-2022-30938). Siemens has released an update for the EN100 Ethernet module IEC 61850 variant and recommends to update to the latest version. Siemens recommends specific countermeasures for products where updates are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | EN100 Ethernet module DNP3 IP variant | vers:all/* |
| Siemens | EN100 Ethernet module IEC 104 variant | vers:all/* |
| Siemens | EN100 Ethernet module IEC 61850 variant | <V4.40 |
| Siemens | EN100 Ethernet module Modbus TCP variant | vers:all/* |
| Siemens | EN100 Ethernet module PROFINET IO variant | vers:all/* |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2022-30938 — CVE-2022-30938 · CWE-119
Affected applications contains a memory corruption vulnerability while parsing specially crafted HTTP packets to /txtrace endpoint manupulating a specific argument. This could allow an attacker to crash the affected application leading to a denial of service condition
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting this vulnerability to CISA.
- Michael Messner, Siemens Energy: reporting the vulnerabilities
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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