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CVE-2021-34355

Estado: ModificadaMedia (5.4)—

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP NAS running Photo Station. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Photo Station: Photo Station 5.4.10 ( 2021/08/19 ) and later Photo Station 5.7.13 ( 2021/08/19 ) and later Photo Station 6.0.18 ( 2021/09/01 ) 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 — Photo Station

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-34355",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    "cvssMetricV31": [
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        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.6,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "impactScore": 4.7,
        "exploitabilityScore": 2.3
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "attackVector": "NETWORK",
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          "confidentialityImpact": "LOW"
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        "impactScore": 2.7,
        "exploitabilityScore": 2.3
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  "affected": [
    {
      "source": "security@qnapsecurity.com.tw",
      "affectedData": [
        {
          "vendor": "QNAP Systems Inc.",
          "product": "Photo Station",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "5.4.10 ( 2021/08/19 )",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "5.7.13 ( 2021/08/19 )",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "6.0.18 ( 2021/09/01 )",
              "versionType": "custom"
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    }
  ],
  "published": "2021-10-01T03:15:06.743",
  "references": [
    {
      "url": "https://www.qnap.com/en/security-advisory/qsa-21-42",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "security@qnapsecurity.com.tw"
    },
    {
      "url": "https://www.qnap.com/en/security-advisory/qsa-21-42",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@qnapsecurity.com.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A cross-site scripting (XSS) vulnerability has been reported to affect QNAP NAS running Photo Station. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Photo Station: Photo Station 5.4.10 ( 2021/08/19 ) and later Photo Station 5.7.13 ( 2021/08/19 ) and later Photo Station 6.0.18 ( 2021/09/01 ) and later"
    },
    {
      "lang": "es",
      "value": "Se ha reportado de una vulnerabilidad de tipo cross-site scripting (XSS)  que afecta al NAS de QNAP que ejecuta Photo Station. Si es explotado, esta vulnerabilidad permiten a atacantes remotos inyectar código malicioso. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de Photo Station: Photo Station 5.4.10 (19/08/2021) y posteriores, Photo Station 5.7.13 (19/08/2021) y posteriores, Photo Station 6.0.18 (01/09/2021) y posteriores"
    }
  ],
  "lastModified": "2026-06-17T03:55:42.590",
  "configurations": [
    {
      "nodes": [
        {
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