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CVE-2020-7850

Estado: ModificadaAlta (7.8)—

NBBDownloader.ocx ActiveX Control in Groupware contains a vulnerability that could allow remote files to be downloaded and executed by setting the arguments to the activex method. A remote attacker could induce a user to access a crafted web page, causing damage such as malicious code infection.

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)

Douzone — Nbbdownloader.ocx

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-7850",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "vuln@krcert.or.kr",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "vuln@krcert.or.kr",
      "affectedData": [
        {
          "vendor": "DOUZONE ICT GROUP.",
          "product": "NBBDownloader.ocx",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0.13",
              "versionType": "custom",
              "lessThanOrEqual": "1.0.0.12"
            }
          ],
          "platforms": [
            "x86, x64"
          ]
        }
      ]
    }
  ],
  "published": "2021-03-29T16:15:12.790",
  "references": [
    {
      "url": "http://help.neobizbox.com/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "vuln@krcert.or.kr"
    },
    {
      "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35982",
      "tags": [
        "Not Applicable",
        "Third Party Advisory"
      ],
      "source": "vuln@krcert.or.kr"
    },
    {
      "url": "http://help.neobizbox.com/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35982",
      "tags": [
        "Not Applicable",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vuln@krcert.or.kr",
      "description": [
        {
          "lang": "en",
          "value": "CWE-88"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-88"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "NBBDownloader.ocx ActiveX Control in Groupware contains a vulnerability that could allow remote files to be downloaded and executed by setting the arguments to the activex method. A remote attacker could induce a user to access a crafted web page, causing damage such as malicious code infection."
    },
    {
      "lang": "es",
      "value": "NBBDownloader.ocx ActiveX Control en Groupware, contiene una vulnerabilidad que podría permitir la descarga y ejecución de archivos remotos al ajustar unos argumentos en el método activex. Un atacante remoto podría inducir a un usuario a acceder a una página web diseñada, causando daños como una infección de código malicioso"
    }
  ],
  "lastModified": "2026-06-17T03:25:32.990",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:douzone:nbbdownloader.ocx:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "69B8A0DA-91EE-4111-9D77-639D0110C190",
              "versionEndIncluding": "1.0.0.12"
            }
          ],
          "operator": "OR"
        },
        {
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            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "vuln@krcert.or.kr"
}