ICSA-23-348-05: Siemens SIMATIC and SIPLUS Products
CISA advisory · released 2023-12-12
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 1, 2023-12-12 (final)
CISA's summary
Summary: Multiple vulnerabilities in the affected products could allow an unauthorized attacker with network access to the webserver to perform a denial of service attack. Siemens has released a new version for SINAMICS S120 (incl. SIPLUS variants) 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 S7-400 CPU 412-2 PN V7 (6ES7412-2EK07-0AB0) | vers:all/* |
| Siemens | SIMATIC S7-400 CPU 414-3 PN/DP V7 (6ES7414-3EM07-0AB0) | vers:all/* |
| Siemens | SIMATIC S7-400 CPU 414F-3 PN/DP V7 (6ES7414-3FM07-0AB0) | vers:all/* |
| Siemens | SIMATIC S7-400 CPU 416-3 PN/DP V7 (6ES7416-3ES07-0AB0) | vers:all/* |
| Siemens | SIMATIC S7-400 CPU 416F-3 PN/DP V7 (6ES7416-3FS07-0AB0) | vers:all/* |
| Siemens | SIMATIC PC-Station Plus | vers:all/* |
| Siemens | SINAMICS S120 (incl. SIPLUS variants) | <V5.2_SP3_HF15 |
| Siemens | SIPLUS S7-400 CPU 414-3 PN/DP V7 (6AG1414-3EM07-7AB0) | vers:all/* |
| Siemens | SIPLUS S7-400 CPU 416-3 PN/DP V7 (6AG1416-3ES07-7AB0) | vers:all/* |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2022-47374 — CVE-2022-47374 · CWE-674
The affected products do not handle HTTP(S) requests to the web server correctly. This could allow an attacker to exhaust system resources and create a denial of service condition for the device.
- CVE-2022-47375 — CVE-2022-47375 · CWE-805
The affected products do not handle long file names correctly. This could allow an attacker to create a buffer overflow and create a denial of service condition for the device.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting these vulnerabilities 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.
This product uses the NVD API but is not endorsed or certified by the NVD.
CVE records: Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.
CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
CISA's Known Exploited Vulnerabilities catalog and CISA Vulnrichment data are CC0 1.0. CISA advisories are shown with the TLP label their document carries. No endorsement by CISA, DHS, NIST or MITRE is stated or implied.