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FKIE_CVE-2026-20761

Vulnerability from fkie_nvd - Published: 2026-02-20 16:22 - Updated: 2026-06-17 10:17
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 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "SmartServer IoT",
          "vendor": "EnOcean Edge Inc",
          "versions": [
            {
              "lessThanOrEqual": "4.60.009",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "4.60.023"
            }
          ]
        }
      ],
      "source": "ics-cert@hq.dhs.gov"
    }
  ],
  "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."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad existe en EnOcean SmartServer IoT versi\u00f3n 4.60.009 y anteriores, lo que permitir\u00eda a atacantes remotos, en los mensajes de gesti\u00f3n LON IP-852, enviar mensajes IP-852 especialmente dise\u00f1ados, resultando en la ejecuci\u00f3n arbitraria de comandos del sistema operativo en el dispositivo."
    }
  ],
  "id": "CVE-2026-20761",
  "lastModified": "2026-06-17T10:17:46.290",
  "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-20761",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-02-20T20:07:47.196222Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "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": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    }
  ]
}



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