HIGH

CVE-2026-20761

Q: What is CVE-2026-20761?

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.

Q: Is CVE-2026-20761 actively exploited?

Active exploitation of CVE-2026-20761 has not been confirmed. Its EPSS score was 1.0% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2026-20761?

CVE-2026-20761 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

CVSS v3

8.1

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-18

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-26-050-01 CISA1 known affected
EnOcean SmartServer IoT
EnOcean Edge Inc SmartServer IoT: <=4.60.009

Full record on 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.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-02-20
Last Modified: 2026-04-14

Frequently asked questions

What is CVE-2026-20761?

Is CVE-2026-20761 actively exploited?

Active exploitation of CVE-2026-20761 has not been confirmed. Its EPSS score was 1.0% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-20761?

CVE-2026-20761 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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