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CVE-2025-40738

Estado: AnalizadaAlta (8.7)—

A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application does not properly validate file paths when extracting uploaded ZIP files. This could allow an attacker to write arbitrary files to restricted locations and potentially execute code with elevated privileges (ZDI-CAN-26572).

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.

Acceso remoto de red con privilegios (PR:L) a SINEC NMS sin interacción de usuario; path traversal en ZIP permite escribir archivos arbitrarios (T1005 datos, T1068 escalada de privilegios menciona ejecución con elevated privileges).

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

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-40738",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2025-40738",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-07-08T13:28:16.137606Z"
        }
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    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "productcert@siemens.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "productcert@siemens.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 8.7,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
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          "userInteraction": "NONE",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  },
  "affected": [
    {
      "source": "productcert@siemens.com",
      "affectedData": [
        {
          "vendor": "Siemens",
          "product": "SINEC NMS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "V4.0",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2025-07-08T11:15:30.190",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-078892.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application does not properly validate file paths when extracting uploaded ZIP files. This could allow an attacker to write arbitrary files to restricted locations and potentially execute code with elevated privileges (ZDI-CAN-26572)."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SINEC NMS (todas las versiones anteriores a la V4.0). La aplicación afectada no valida correctamente las rutas de los archivos al extraer los archivos ZIP subidos. Esto podría permitir que un atacante escriba archivos arbitrarios en ubicaciones restringidas y, potencialmente, ejecute código con privilegios elevados (ZDI-CAN-26572)."
    }
  ],
  "lastModified": "2026-06-17T09:22:03.260",
  "configurations": [
    {
      "nodes": [
        {
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          "cpeMatch": [
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              "criteria": "cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*",
              "vulnerable": true,
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              "versionEndExcluding": "4.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "productcert@siemens.com"
}