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CVE-2021-20662

Estado: ModificadaAlta (7.5)—

Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to alter the setting information without the access privileges via unspecified vectors.

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)

Contec — Sv-cpt-mc310 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-20662",
  "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:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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        "type": "Primary",
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        "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:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "Contec Co., Ltd.",
          "product": "SolarView Compact",
          "versions": [
            {
              "status": "affected",
              "version": "SV-CPT-MC310 prior to Ver.6.5"
            }
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        }
      ]
    }
  ],
  "published": "2021-02-24T12:15:23.173",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN37417423/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
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      "tags": [
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      "source": "vultures@jpcert.or.jp"
    },
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      "url": "https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e&downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf",
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e&downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to alter the setting information without the access privileges via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Una falta de autenticación para funciones críticas en SolarView Compact SV-CPT-MC310 versiones anteriores a Ver.6.5, permite a un atacante alterar la información de configuración sin los privilegios de acceso por medio de vectores no especificados"
    }
  ],
  "lastModified": "2026-06-17T03:34:12.450",
  "configurations": [
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  "sourceIdentifier": "vultures@jpcert.or.jp"
}