{
  "id": "CVE-2021-27952",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-08-03T15:15:08.250",
  "lastModified": "2024-11-21T05:58:54.367",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Hardcoded default root credentials exist on the ecobee3 lite 4.5.81.200 device. This allows a threat actor to gain access to the password-protected bootloader environment through the serial console."
    },
    {
      "lang": "es",
      "value": "Se presentan credenciales root predeterminadas embebidas en el dispositivo ecobee3 lite versi\u00f3n 4.5.81.200. Esto permite a un actor de la amenaza obtener acceso al entorno del cargador de arranque protegido por contrase\u00f1a mediante la consola de serie"
    }
  ],
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        "type": "Primary",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
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        "exploitabilityScore": 3.9,
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          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
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        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
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        "obtainAllPrivilege": false,
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      "type": "Primary",
      "description": [
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          "value": "CWE-798"
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  "references": [
    {
      "url": "https://www.l9group.com/advisories/hard-coded-default-root-credentials-for-all-ecobee3-lite-devices",
      "source": "cve@mitre.org",
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}