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Vulnerability record · CVE-2026-20761 · published 20 February 2026

CVE-2026-20761: Command injection vulnerability

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.

8.1 CVSS 3.1 High EPSS 0.91% · top 41.6% CWE-77 · Command injection Deferred
8.1CVSS 3.1 base score
0.91%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://enoceanwiki.atlassian.net/wiki/spaces/DrftSSIoT/pages/1475410/SmartServer+IoT+Release+Notes#Current-Stable-Relea
https://enoceanwiki.atlassian.net/wiki/spaces/IEC/pages/288063529/Enhancing+Security
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-050-01.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-050-01

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Source: NIST National Vulnerability Database (record CVE-2026-20761), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.