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CVE-2020-7865

Estado: ModificadaCrítica (9.8)—

Una vulnerabilidad (comprobación de entrada inapropiada) en la solución ExECM CoreB2B, permite a un atacante no autenticado descargar y ejecutar un archivo arbitrario por medio de la función httpDownload. Una explotación con éxito podría permitir al atacante secuestrar el sistema vulnerable

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)

Inoguard — Execm Coreb2b

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-7865",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "vuln@krcert.or.kr",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/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": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vuln@krcert.or.kr",
      "affectedData": [
        {
          "vendor": "Inoguard",
          "product": "ExECM CoreB2B",
          "versions": [
            {
              "status": "affected",
              "version": "1.1.0.4",
              "versionType": "custom",
              "lessThanOrEqual": "1.1.0.4"
            }
          ],
          "platforms": [
            "Windows"
          ]
        }
      ]
    }
  ],
  "published": "2021-09-07T15:15:07.527",
  "references": [
    {
      "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36229",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vuln@krcert.or.kr"
    },
    {
      "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36229",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vuln@krcert.or.kr",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability(improper input validation) in the ExECM CoreB2B solution allows an unauthenticated attacker to download and execute an arbitrary file via httpDownload function. A successful exploit could allow the attacker to hijack vulnerable system."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad (comprobación de entrada inapropiada) en la solución ExECM CoreB2B, permite a un atacante no autenticado descargar y ejecutar un archivo arbitrario por medio de la función httpDownload. Una explotación con éxito podría permitir al atacante secuestrar el sistema vulnerable"
    }
  ],
  "lastModified": "2026-06-17T03:25:34.340",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:inoguard:execm_coreb2b:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9BEBA59B-9C48-4680-BFBA-B10C5A5F9586",
              "versionEndIncluding": "1.1.0.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vuln@krcert.or.kr"
}