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CVE-2025-13392

Estado: AnalizadaCrítica (9.8)—

Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN).

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector CVSS N/A/L sin UI indica acceso remoto sin autenticación (T1190). Bypass de autenticación SSO con DN conocido permite obtención de acceso (T1078.001). Acceso a DSM implica potencial ejecución de comandos.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Vulnerability ScanningPrivileged Account ManagementPassword PoliciesNetwork SegmentationMulti-factor AuthenticationLimit Access to Resource Over Network

Tecnologías afectadas (1)

Synology — Diskstation Manager

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-13392",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-13392",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-27T13:44:25.310637Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
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          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      },
      {
        "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",
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  },
  "affected": [
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      "affectedData": [
        {
          "vendor": "Synology",
          "product": "DiskStation Manager (DSM)",
          "versions": [
            {
              "status": "affected",
              "version": "7.3",
              "lessThan": "7.3.1-86003-1",
              "versionType": "semver"
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              "version": "7.2.2",
              "lessThan": "7.2.2-72806-5",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "7.2.1",
              "lessThan": "7.2.1.*",
              "versionType": "semver"
            },
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              "version": "0",
              "lessThan": "7.2.1",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-05-27T09:16:26.607",
  "references": [
    {
      "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_25_14",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@synology.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@synology.com",
      "description": [
        {
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          "value": "CWE-754"
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    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de verificación incorrecta de condiciones inusuales o excepcionales en SSO en Synology DiskStation Manager (DSM) anterior a 7.2.2-72806-5 y 7.3.1-86003-1 (7.2.1-69057 no está afectada) permite a atacantes remotos eludir la autenticación con conocimiento previo del nombre distinguido (DN)."
    }
  ],
  "lastModified": "2026-09-30T21:10:00.190",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "A1D5A65E-BE7D-4F2B-A41D-B16CD8610F45",
              "versionEndExcluding": "7.2.2-72806-5",
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            },
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              "versionEndIncluding": "7.3.1-86003-1",
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          "operator": "OR"
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  ],
  "sourceIdentifier": "security@synology.com"
}