ICSA-23-348-08: Siemens Web Server of Industrial Products
CISA advisory · released 2023-12-12
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 2, 2024-03-12 (final)
CISA's summary
Summary: A vulnerability in the affected products could allow an unauthorized attacker with network access to the webserver of an affected device to perform a denial-of-service attack. Siemens has released a new version for SINAMICS S210 (6SL5...) and recommends to update to the latest version. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) | <V3.4.29 |
| Siemens | SIMATIC CP 1243-1 (incl. SIPLUS variants) | <V3.4.29 |
| Siemens | SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) | vers:all/* |
| Siemens | SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) | <V3.4.29 |
| Siemens | SIMATIC CP 1243-7 LTE | <V3.4.29 |
| Siemens | SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) | <V3.4.29 |
| Siemens | SIMATIC CP 1543-1 (6GK7543-1AX00-0XE0) | <V3.0.37 |
| Siemens | SINAMICS S210 (6SL5...) | >=V6.1_<V6.1_HF2 |
| Siemens | SIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0) | <V3.0.37 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2023-38380 — CVE-2023-38380 · CWE-401
The webserver implementation of the affected products does not correctly release allocated memory after it has been used. An attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.
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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