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CVE-2021-29091

Estado: ModificadaMedia (6.5)—

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in file management component in Synology Photo Station before 6.8.14-3500 allows remote authenticated users to write arbitrary files via unspecified vectors.

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)

Synology — Photo Station

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-29091",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
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      },
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "availabilityImpact": "NONE",
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          "confidentialityImpact": "NONE"
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        "exploitabilityScore": 2.8
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "Synology",
          "product": "Synology Photo Station",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "6.8.14-3500",
              "versionType": "custom"
            }
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  ],
  "published": "2021-06-02T02:15:07.017",
  "references": [
    {
      "url": "https://www.synology.com/security/advisory/Synology_SA_20_20",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@synology.com"
    },
    {
      "url": "https://www.synology.com/security/advisory/Synology_SA_20_20",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@synology.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in file management component in Synology Photo Station before 6.8.14-3500 allows remote authenticated users to write arbitrary files via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de limitación inapropiada de un nombre de ruta a un directorio restringido (\"Path Traversal\") en el componente file management en Synology Photo Station versiones anteriores a 6.8.14-3500, permite a usuarios remotos autenticados escribir archivos arbitrarios por medio de vectores no especificados"
    }
  ],
  "lastModified": "2026-06-17T03:47:16.870",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "6.8.14-3500",
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          "operator": "OR"
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  "sourceIdentifier": "security@synology.com"
}