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CVE-2021-22735

Estado: ModificadaAlta (7.2)—

Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Schneider-electric — Homelynk FirmwareSchneider-electric — Spacelynk Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-22735",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 1.2
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  "affected": [
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      "source": "cybersecurity@se.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior",
          "versions": [
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              "version": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior"
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  "published": "2021-05-26T20:15:09.063",
  "references": [
    {
      "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04",
      "tags": [
        "Vendor Advisory"
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      "source": "cybersecurity@se.com"
    },
    {
      "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "type": "Secondary",
      "source": "cybersecurity@se.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ]
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de Comprobación Inapropiada de la Firma Criptográfica en homeLYnk (Wiser For KNX) y spaceLYnk versiones V2.60 y anteriores, que podría permitir una ejecución de código remota cuando un código no autorizado es copiado en el dispositivo"
    }
  ],
  "lastModified": "2026-06-17T03:37:40.827",
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