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CVE-2020-21997

Estado: ModificadaAlta (7.5)—

Smartwares HOME easy <=1.0.9 is vulnerable to an unauthenticated database backup download and information disclosure vulnerability. An attacker could disclose sensitive and clear-text information resulting in authentication bypass, session hijacking and full system control.

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 (1)

Smartwares — Home Easy Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-21997",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-29T15:15:10.503",
  "references": [
    {
      "url": "https://cwe.mitre.org/data/definitions/306.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.exploit-db.com/exploits/47596",
      "tags": [
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        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5541.php",
      "tags": [
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        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://cwe.mitre.org/data/definitions/306.html",
      "tags": [
        "Third Party Advisory"
      ],
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    },
    {
      "url": "https://www.exploit-db.com/exploits/47596",
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        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Smartwares HOME easy <=1.0.9 is vulnerable to an unauthenticated database backup download and information disclosure vulnerability. An attacker could disclose sensitive and clear-text information resulting in authentication bypass, session hijacking and full system control."
    },
    {
      "lang": "es",
      "value": "Smartwares HOME easy versiones anteriores a incluyéndola 1.0.9 es vulnerable a una descarga de copia de seguridad de base de datos no autenticada y una vulnerabilidad de divulgación de información.&#xa0;Un atacante podría divulgar información confidencial y de texto sin cifrar, resultando en una omisión de autenticación, secuestro de sesión y control total del sistema"
    }
  ],
  "lastModified": "2026-06-17T03:04:02.010",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "1.0.9"
            }
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      "operator": "AND"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}