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CVE-2020-35851

Estado: ModificadaCrítica (9.8)—

HGiga MailSherlock does not validate specific parameters properly. Attackers can use the vulnerability to launch Command inject attacks remotely and execute arbitrary commands of the system.

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 (2)

Hgiga — Msr45 Isherlock-userHgiga — Ssr45 Isherlock-user

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-35851",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "twcert@cert.org.tw",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      },
      {
        "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": "twcert@cert.org.tw",
      "affectedData": [
        {
          "vendor": "HGiga",
          "product": "MailSherlock MSR45/SSR45",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "115",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "iSherlock-user-4.5"
          ]
        }
      ]
    }
  ],
  "published": "2020-12-31T08:15:13.923",
  "references": [
    {
      "url": "https://www.twcert.org.tw/en/cp-139-4264-f10f4-2.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.twcert.org.tw/en/cp-139-4264-f10f4-2.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "twcert@cert.org.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "HGiga MailSherlock does not validate specific parameters properly. Attackers can use the vulnerability to launch Command inject attacks remotely and execute arbitrary commands of the system."
    },
    {
      "lang": "es",
      "value": "HGiga MailSherlock no comprueba apropiadamente parámetros específicos. Unos atacantes pueden usar la vulnerabilidad para iniciar ataques de inyección de Comandos remotamente y ejecutar comandos arbitrarios del sistema."
    }
  ],
  "lastModified": "2026-06-17T03:14:27.883",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hgiga:msr45_isherlock-user:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "77EB4DB5-0CF5-48E1-950A-4ADD1130F936",
              "versionEndExcluding": "4.5-115"
            },
            {
              "criteria": "cpe:2.3:a:hgiga:ssr45_isherlock-user:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "888A77BF-2F0C-4228-880B-EF983282AAC7",
              "versionEndExcluding": "4.5-115"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "twcert@cert.org.tw"
}