CVE-2026-20761

EnOcean SmartServer IoT Command Injection

Published Feb 20, 2026 CVSS 3.1 · 8.1 High EPSS 1.0% KEV · Not listed
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.

Remediation

Vendor Solution

EnOcean recommends users update the SmartServer platform software to SmartServer 4.6 Update 2 (v4.60.023) or a later release at https://enoceanwiki.atlassian.net/wiki/spaces/DrftSSIoT/pages/1475410/SmartServer+IoT+Release+Notes#... https://enoceanwiki.atlassian.net/wiki/spaces/DrftSSIoT/pages/1475410/SmartServer+IoT+Release+Notes#Current-Stable-Release .


Vendor Workaround

For additional mitigations and workarounds, refer to EnOcean's hardening guide at https://enoceanwiki.atlassian.net/wiki/spaces/IEC/pages/288063529/Enhancing+Security .

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Enocean Edge
Enocean Edge smartserver Iot
Vendors & Products Enocean Edge
Enocean Edge smartserver Iot
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title EnOcean SmartServer IoT Command Injection
Weaknesses CWE-77
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Feb 20, 2026, 8:09 PM
Reserved
Feb 12, 2026, 12:19 AM
Status
Deferred
Published
Feb 20, 2026, 4:22 PM
Modified
Jun 17, 2026, 10:17 AM