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CVE-2018-19941

Estado: ModificadaAlta (7.5)—

A vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows an attacker to access sensitive information stored in cleartext inside cookies via certain widely-available tools. QNAP have already fixed this vulnerability in the following versions: QTS 4.5.1.1456 build 20201015 (and later) QuTS hero h4.5.1.1472 build 20201031 (and later) QuTScloud c4.5.2.1379 build 20200730 (and later)

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 (3)

Qnap — QTSQnap — Quts HeroQnap — Qutscloud

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-19941",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@qnapsecurity.com.tw",
      "affectedData": [
        {
          "vendor": "QNAP Systems Inc.",
          "product": "QTS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "4.5.1.1456",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "build 20201031"
          ]
        },
        {
          "vendor": "QNAP Systems Inc.",
          "product": "QuTS hero",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "h4.5.1.1472",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "build 20201031"
          ]
        },
        {
          "vendor": "QNAP Systems Inc.",
          "product": "QuTScloud",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "c4.5.2.1379",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "build 20200730"
          ]
        }
      ]
    }
  ],
  "published": "2020-12-31T17:15:12.320",
  "references": [
    {
      "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-23",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@qnapsecurity.com.tw"
    },
    {
      "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-23",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@qnapsecurity.com.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-315"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-312"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows an attacker to access sensitive information stored in cleartext inside cookies via certain widely-available tools. QNAP have already fixed this vulnerability in the following versions: QTS 4.5.1.1456 build 20201015 (and later) QuTS hero h4.5.1.1472 build 20201031 (and later) QuTScloud c4.5.2.1379 build 20200730 (and later)"
    },
    {
      "lang": "es",
      "value": "Se ha reportado una vulnerabilidad que afecta a QNAP NAS. Si se explota, esta vulnerabilidad permite a un atacante acceder a información confidencial almacenada en texto plano dentro de las cookies por medio de determinadas herramientas ampliamente disponibles. QNAP ya ha corregido esta vulnerabilidad en las siguientes versiones: QTS versiones 4.5.1.1456 build 20201015 (y posteriores) QuTS hero versión h4.5.1.1472 build 20201031 (y posteriores) QuTScloud versión c4.5.2.1379 build 20200730 (y posteriores)"
    }
  ],
  "lastModified": "2026-06-17T01:50:09.107",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0DF58F11-5E71-4EFB-8039-B4EA21C2C810",
              "versionEndExcluding": "4.5.1.1456"
            },
            {
              "criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EE137056-C682-4DF3-839E-2E5825F21485",
              "versionEndExcluding": "h4.5.1.1472"
            },
            {
              "criteria": "cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "48C09CC6-23EB-45B4-B289-45C6C4AC9BB9",
              "versionEndExcluding": "c4.5.2.1379"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@qnapsecurity.com.tw"
}