Pilz: Missing Authentication in Node-RED integration
Authentication is not configured by default for the Node-RED server on the Pilz industrial PC IndustrialPI. An unauthenticated remote attacker has full access to the Node-RED server and can run arbitrary operating system commands on the underlying operating system with privileged rights.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-41656US | —OT elevated | Exploit | ||
An unauthenticated remote attacker can run arbitrary commands on the affected devices with high privileges because the authentication for the Node_RED server is not configured by d… | ||||
references
External citations — patches, advisories, analysis.
- PPSA-2025-002: Pilz: Missing Authentication in Node-RED integration - HTMLself
- CERT@VDE Security Advisories for Pilz GmbH & Co. KGexternal
- PPSA-2025-002: Pilz: Missing Authentication in Node-RED integration - CSAFself
- For further security-related issues in Pilz products please contact the Pilz Product Security Incident Response Team (PSIRT)external
remediations (2)
- MitigationFirmware Bullseye <=2024-08 installed on IndustrialPI 4
Limit network access to the IndustrialPI by using a firewall or similar measures.
- FixedFirmware Bullseye <=2024-08 installed on IndustrialPI 4
Consult our PDF with remediations which you can find under [www.pilz.com/downloads](https://www.pilz.com/search#currentPage=1&SEARCH=Security%20Advis.%20IndustrialPI%20Remediat.). In order to activate the authentication as described in the PDF, you have to have the Node-RED service enabled via the web application.
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