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CVE-2018-14747

Status: ModifiedHigh (7.5)—

NULL Pointer Dereference vulnerability in QTS 4.3.5 build 20181013, QTS 4.3.4 build 20181008, QTS 4.3.3 build 20180829, QTS 4.2.6 build 20180829 and earlier versions could allow remote attackers to crash the NAS media server.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Qnap — QTS

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-14747",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@qnapsecurity.com.tw",
      "affectedData": [
        {
          "vendor": "QNAP",
          "product": "QNAP QTS",
          "versions": [
            {
              "status": "affected",
              "version": "QTS 4.3.5 build 20181013, QTS 4.3.4 build 20181008, QTS 4.3.3 build 20180829, QTS 4.2.6 build 20180829 and earlier versions"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-11-28T16:29:00.280",
  "references": [
    {
      "url": "https://www.qnap.com/zh-tw/security-advisory/nas-201811-22",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@qnapsecurity.com.tw"
    },
    {
      "url": "https://www.qnap.com/zh-tw/security-advisory/nas-201811-22",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "NULL Pointer Dereference vulnerability in QTS 4.3.5 build 20181013, QTS 4.3.4 build 20181008, QTS 4.3.3 build 20180829, QTS 4.2.6 build 20180829 and earlier versions could allow remote attackers to crash the NAS media server."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de desreferencia de puntero NULL en QTS 4.3.5 build 20181013, QTS 4.3.4 build 20181008, QTS 4.3.3 build 20180829 y QTS 4.2.6 build 20180829 y sus versiones anteriores podría permitir que los atacantes remotos ejecuten comandos arbitrarios en el NAS."
    }
  ],
  "lastModified": "2026-06-17T01:41:34.103",
  "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"
            },
            {
              "criteria": "cpe:2.3:o:qnap:qts:4.3.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2C7CF3D8-0BB6-410F-84C1-D48764687561"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@qnapsecurity.com.tw"
}