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CVE-2021-44055

Estado: ModificadaCrítica (9.8)—

An missing authorization vulnerability has been reported to affect QNAP device running Video Station. If exploited, this vulnerability allows remote attackers to access data or perform actions that they should not be allowed to perform. We have already fixed this vulnerability in the following versions of Video Station: Video Station 5.5.9 ( 2022/02/16 ) 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 (1)

Qnap — Video Station

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-44055",
  "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": "security@qnapsecurity.com.tw",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      },
      {
        "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": "security@qnapsecurity.com.tw",
      "affectedData": [
        {
          "vendor": "QNAP Systems Inc.",
          "product": "Video Station",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "5.5.9 ( 2022/02/16 )",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-05-05T17:15:10.393",
  "references": [
    {
      "url": "https://www.qnap.com/en/security-advisory/qsa-22-14",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@qnapsecurity.com.tw"
    },
    {
      "url": "https://www.qnap.com/en/security-advisory/qsa-22-14",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@qnapsecurity.com.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An missing authorization vulnerability has been reported to affect QNAP device running Video Station. If exploited, this vulnerability allows remote attackers to access data or perform actions that they should not be allowed to perform. We have already fixed this vulnerability in the following versions of Video Station: Video Station 5.5.9 ( 2022/02/16 ) and later"
    },
    {
      "lang": "es",
      "value": "Se ha informado de una vulnerabilidad de falta de autorización que afecta al dispositivo de QNAP que ejecuta Video Station. Si es explotada, esta vulnerabilidad permite a atacantes remotos acceder a los datos o llevar a cabo acciones que no deberían estar permitidas. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de Video Station: Video Station 5.5.9 ( 2022/02/16 ) y posteriores"
    }
  ],
  "lastModified": "2026-06-17T04:11:51.943",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:qnap:video_station:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3B1BA79E-C71B-4B2D-B38D-A65DC3806AFF",
              "versionEndExcluding": "5.1.8"
            },
            {
              "criteria": "cpe:2.3:a:qnap:video_station:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "00BC7664-9F03-4909-B4E5-95DCAC7869B1",
              "versionEndExcluding": "5.3.13",
              "versionStartIncluding": "5.2.0"
            },
            {
              "criteria": "cpe:2.3:a:qnap:video_station:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B1042A67-6E5E-4B9D-912F-51FEC70A30FB",
              "versionEndExcluding": "5.5.9",
              "versionStartIncluding": "5.4.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@qnapsecurity.com.tw"
}