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CVE-2018-0721

Estado: ModificadaAlta (7.7)—

Vulnerabilidad de desbordamiento de búfer en dispositivos NAS. QTS permite a los atacantes ejecutar código arbitrario. Este problema afecta a: QNAP Systems Inc. QTS versión 4.2.6 y versiones anteriores en la compilación 20180711; versión 4.3.3 y versiones anteriores en la compilación 20180725; versión 4.3.4 y versiones anteriores en la compilación 20180710.

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)

Qnap — QTS

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-0721",
  "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": "security@qnapsecurity.com.tw",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 5.3,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@qnapsecurity.com.tw",
      "affectedData": [
        {
          "vendor": "QNAP Systems Inc.",
          "product": "QTS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "4.2.6"
            }
          ],
          "platforms": [
            "build 20180711"
          ]
        },
        {
          "vendor": "QNAP Systems Inc.",
          "product": "QTS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "4.3.3"
            }
          ],
          "platforms": [
            "build 20180725"
          ]
        },
        {
          "vendor": "QNAP Systems Inc.",
          "product": "QTS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "4.3.4"
            }
          ],
          "platforms": [
            "build 20180710"
          ]
        }
      ]
    }
  ],
  "published": "2018-11-27T23:29:00.250",
  "references": [
    {
      "url": "https://www.qnap.com/zh-tw/security-advisory/nas-201809-20",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@qnapsecurity.com.tw"
    },
    {
      "url": "https://www.qnap.com/zh-tw/security-advisory/nas-201809-20",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@qnapsecurity.com.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de desbordamiento de búfer en dispositivos NAS. QTS permite a los atacantes ejecutar código arbitrario. Este problema afecta a: QNAP Systems Inc. QTS versión 4.2.6 y versiones anteriores en la compilación 20180711; versión 4.3.3 y versiones anteriores en la compilación 20180725; versión 4.3.4 y versiones anteriores en la compilación 20180710."
    }
  ],
  "lastModified": "2026-06-17T01:31:31.503",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:qnap:qts:4.2.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1D9E6F8F-A433-45A7-8839-5D478FE179A4"
            },
            {
              "criteria": "cpe:2.3:o:qnap:qts:4.3.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C5994C07-17FE-4784-9FA4-9675BA8B4743"
            },
            {
              "criteria": "cpe:2.3:o:qnap:qts:4.3.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F0C7D2D4-769F-4297-89F4-75366FFA7618"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@qnapsecurity.com.tw"
}