Vulnerability Description
A vulnerability exists in EnOcean SmartServer IoT version 4.60.009 and prior, which would allow remote attackers, in the LON IP-852 management messages, to send specially crafted IP-852 messages resulting in arbitrary OS command execution on the device.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://enoceanwiki.atlassian.net/wiki/spaces/DrftSSIoT/pages/1475410/SmartServe
- https://enoceanwiki.atlassian.net/wiki/spaces/IEC/pages/288063529/Enhancing+Secu
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-05
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-050-01
FAQ
What is CVE-2026-20761?
CVE-2026-20761 is a vulnerability with a CVSS score of 8.1 (HIGH). A vulnerability exists in EnOcean SmartServer IoT version 4.60.009 and prior, which would allow remote attackers, in the LON IP-852 management messages, to send specially crafted IP-852 messages res...
How severe is CVE-2026-20761?
CVE-2026-20761 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-20761?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.