ICSA-26-237-03: Siemens SIMATIC IoT2050 Advanced
CISA advisory · released 2026-08-11
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 2, 2026-08-25 (final)
CISA's summary
Summary: SIMATIC IoT2050 Advanced devices running Industrial OS with Node-RED installed contain a missing authentication vulnerability in the Node-RED HTTP interface that could allow an unauthenticated remote attacker to create malicious flows and execute arbitrary code on the underlying server with maximum privileges. Siemens has released a new version for SIMATIC IoT2050 Advanced and strongly recommends to update to the latest version.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SIMATIC IoT2050 Advanced (6ES7647-0BA00-1YA2) | vers:intdot/<4.3.4.1 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2026-58115 — CVE-2026-58115 · CWE-306
Affected devices do not enforce authentication on the Node-RED HTTP interface, allowing unauthenticated access to programming nodes that are capable of executing system commands on the server. This could allow an unauthenticated remote attacker to create malicious flows through the HTTP interface in order to execute arbitrary code on the underlying server with maximum privileges.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reported this vulnerability to CISA.
The advisory's legal notice
The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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