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CVE-2021-20656

Estado: ModificadaMedia (4.3)—

Exposure of information through directory listing in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to obtain the information inside the system, such as directories and/or file configurations 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
{
  "id": "CVE-2021-20656",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Primary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "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": "2021-02-24T12:15:22.330",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN37417423/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
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      "tags": [
        "Vendor Advisory"
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      "source": "vultures@jpcert.or.jp"
    },
    {
      "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": "vultures@jpcert.or.jp"
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      "url": "https://jvn.jp/en/jp/JVN37417423/index.html",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "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-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Exposure of information through directory listing in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to obtain the information inside the system, such as directories and/or file configurations via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Una exposición de información por medio de la lista de directorios en SolarView Compact SV-CPT-MC310 versiones anteriores a Ver.6.5, permite a un atacante autenticado obtener la información dentro del sistema, como directorios y/o configuraciones de archivos por medio de vectores no especificados"
    }
  ],
  "lastModified": "2026-06-17T03:34:11.827",
  "configurations": [
    {
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        {
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              "versionEndExcluding": "6.5"
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  "sourceIdentifier": "vultures@jpcert.or.jp"
}