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CVE-2020-3934

Estado: ModificadaCrítica (9.8)—

TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, contains a vulnerability of Pre-auth SQL Injection, allowing attackers to inject a specific SQL command.

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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-3934",
  "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": "twcert@cert.org.tw",
        "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
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "version": "3.1",
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          "attackVector": "NETWORK",
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          "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"
        },
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        "exploitabilityScore": 3.9
      }
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  },
  "affected": [
    {
      "source": "twcert@cert.org.tw",
      "affectedData": [
        {
          "vendor": "TAIWAN SECOM CO., LTD.",
          "product": "Door Access Control system",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
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            }
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        },
        {
          "vendor": "TAIWAN SECOM CO., LTD.",
          "product": "Personnel Attendance system",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "3.3.0.3_20160517"
            }
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      ]
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  ],
  "published": "2020-02-11T12:15:21.057",
  "references": [
    {
      "url": "https://gist.github.com/chtsecurity/4db471b34c3959e5ab9ec31570e4760b",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.chtsecurity.com/news/1bb85fcd-9048-4587-b4d3-b18335572bac",
      "tags": [
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      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.twcert.org.tw/en/cp-139-3318-89f76-2.html",
      "tags": [
        "Third Party Advisory"
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      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://gist.github.com/chtsecurity/4db471b34c3959e5ab9ec31570e4760b",
      "tags": [
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.chtsecurity.com/news/1bb85fcd-9048-4587-b4d3-b18335572bac",
      "tags": [
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.twcert.org.tw/en/cp-139-3318-89f76-2.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, contains a vulnerability of Pre-auth SQL Injection, allowing attackers to inject a specific SQL command."
    },
    {
      "lang": "es",
      "value": "TAIWAN SECOM CO., LTD., un sistema de Control de Acceso de Puerta y Administración de Asistencia de Personal, contiene una vulnerabilidad de inyección SQL previa a la autenticación, lo que permite a atacantes inyectar un comando SQL específico"
    }
  ],
  "lastModified": "2026-06-17T03:19:17.443",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:secom:dr.id_access_control:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "02EC3D6E-9954-4BE8-9DE2-3CD0BF5B2093",
              "versionEndExcluding": "3.3.2"
            },
            {
              "criteria": "cpe:2.3:a:secom:dr.id_attendance_system:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7B14D909-4622-4412-BED7-E1CF1081346A",
              "versionEndExcluding": "3.3.0.3_20160517"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "twcert@cert.org.tw"
}