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CVE-2021-22736

Estado: ModificadaAlta (7.5)—

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a denial of service when an unauthorized file is uploaded.

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-2021-22736",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
        "exploitabilityScore": 3.9
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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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              "status": "affected",
              "version": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior"
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  ],
  "published": "2021-05-26T20:15:09.093",
  "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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      "type": "Secondary",
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      "description": [
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          "lang": "en",
          "value": "CWE-22"
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  "descriptions": [
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      "lang": "en",
      "value": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a denial of service when an unauthorized file is uploaded."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de Limitación Inapropiada de un Nombre de Ruta a un Directorio Restringido (\"Salto de Ruta\") en homeLYnk (Wiser para KNX) y spaceLYnk  versiones V2.60 y anteriores, que podría causar una denegación de servicio cuando un archivo no autorizado es cargado"
    }
  ],
  "lastModified": "2026-06-17T03:37:40.940",
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