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CVE-2017-20217

Estado: AplazadaAlta (8.7)—

Serviio PRO 1.8 contains an information disclosure vulnerability due to improper access control enforcement in the Configuration REST API that allows unauthenticated attackers to access sensitive information. Remote attackers can send specially crafted requests to the REST API endpoints to retrieve potentially sensitive configuration data without authentication.

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 de red sin autenticación (PR:N, UI:N) permite acceso a API REST expuesta; VC:H indica confidencialidad comprometida. CWE-306 (falta de control de acceso) confirma lectura de datos sensibles sin autenticación.

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)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-20217",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2017-20217",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-16T14:11:40.189061Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "disclosure@vulncheck.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "disclosure@vulncheck.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:N/UI:N/VC:H/VI:N/VA:N/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",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "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"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "disclosure@vulncheck.com",
      "affectedData": [
        {
          "vendor": "Serviio",
          "product": "Serviio PRO",
          "versions": [
            {
              "status": "affected",
              "version": "1.8.0.0 PRO"
            },
            {
              "status": "affected",
              "version": "1.7.1"
            },
            {
              "status": "affected",
              "version": "1.7.0"
            },
            {
              "status": "affected",
              "version": "1.6.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-03-16T14:17:51.090",
  "references": [
    {
      "url": "http://www.securitylab.ru/poc/486048.php",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://blogs.securiteam.com/index.php/archives/3094",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://cxsecurity.com/issue/WLB-2017050022",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/125646",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://packetstormsecurity.com/files/142383",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.exploit-db.com/exploits/41958/",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.vulncheck.com/advisories/serviio-pro-rest-api-information-disclosure",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5404.php",
      "source": "disclosure@vulncheck.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "disclosure@vulncheck.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Serviio PRO 1.8 contains an information disclosure vulnerability due to improper access control enforcement in the Configuration REST API that allows unauthenticated attackers to access sensitive information. Remote attackers can send specially crafted requests to the REST API endpoints to retrieve potentially sensitive configuration data without authentication."
    },
    {
      "lang": "es",
      "value": "Serviio PRO 1.8 contiene una vulnerabilidad de revelación de información debido a una aplicación inadecuada del control de acceso en la API REST de configuración que permite a atacantes no autenticados acceder a información sensible. Atacantes remotos pueden enviar solicitudes especialmente diseñadas a los puntos finales de la API REST para recuperar datos de configuración potencialmente sensibles sin autenticación."
    }
  ],
  "lastModified": "2026-06-17T01:15:26.040",
  "sourceIdentifier": "disclosure@vulncheck.com"
}