FKIE_CVE-2026-20761

Vulnerability from fkie_nvd - Published: 2026-02-20 16:22 - Updated: 2026-02-20 16:55
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
References
ics-cert@hq.dhs.govhttps://enoceanwiki.atlassian.net/wiki/spaces/DrftSSIoT/pages/1475410/SmartServer+IoT+Release+Notes#Current-Stable-Release
ics-cert@hq.dhs.govhttps://enoceanwiki.atlassian.net/wiki/spaces/IEC/pages/288063529/Enhancing+Security
ics-cert@hq.dhs.govhttps://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-050-01.json
ics-cert@hq.dhs.govhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-050-01
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability exists in EnOcean SmartServer IoT version 4.60.009 and \nprior, which would allow remote attackers, in the LON IP-852 management \nmessages, to send specially crafted IP-852 messages resulting in \narbitrary OS command execution on the device."
    }
  ],
  "id": "CVE-2026-20761",
  "lastModified": "2026-02-20T16:55:22.933",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "ics-cert@hq.dhs.gov",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-20T16:22:32.243",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "url": "https://enoceanwiki.atlassian.net/wiki/spaces/DrftSSIoT/pages/1475410/SmartServer+IoT+Release+Notes#Current-Stable-Release"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "url": "https://enoceanwiki.atlassian.net/wiki/spaces/IEC/pages/288063529/Enhancing+Security"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-050-01.json"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-050-01"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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