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Fencer Intel
high 8.1

CVE-2026-20761 json

EnOcean SmartServer IoT Command Injection

published 8mo ago modified 4mo ago also EUVD-2026-8321

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

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.

Patch / fix

  • EnOcean Edge Inc SmartServer IoT 4.60.023

Is CVE-2026-20761 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-050-01 updated cvss 8.1

EnOcean SmartServer IoT

  • EnOcean Edge Inc SmartServer IoT <=4.60.009
    affected: mitigation “For additional mitigations and workarounds, refer to EnOcean's hardening guide at https://enoceanwiki.atlassian.net/wiki/spaces/IEC/pages/288063529/Enhancing+Security.” enoceanwiki.atlassian.net

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
8mo ago

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • EnOcean Edge Inc SmartServer IoT

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.