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CVE-2015-3996

Estado: ModificadaMedia (4.3)—

The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the AFNetworking framework before 2.5.3, as used in the ownCloud iOS Library, disables verification of a server hostname against the domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

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)

Afnetworking Project — Afnetworking

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2015-3996",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2015-10-27T16:59:00.100",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/76242",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/AFNetworking/AFNetworking/issues/2619",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.3",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://owncloud.org/security/advisory/?id=oc-sa-2015-012",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/76242",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/AFNetworking/AFNetworking/issues/2619",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://owncloud.org/security/advisory/?id=oc-sa-2015-012",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-254"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the AFNetworking framework before 2.5.3, as used in the ownCloud iOS Library, disables verification of a server hostname against the domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate."
    },
    {
      "lang": "es",
      "value": "La configuración por defecto de AFSecurityPolicy.validatesDomainName para AFSSLPinningModeNone en el framework Networking en versiones anteriores a 2.5.3, tal como se utiliza en ownCloud iOS Library, deshabilita la verificación de un hostname del servidor contra el nombre de dominio en el Common Name (CN) del sujeto del certificado X.509, lo que permite a atacantes man-in-the-middle suplantar servidores SSL a través de un certificado válido arbitrario."
    }
  ],
  "lastModified": "2026-06-17T00:26:36.227",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:afnetworking_project:afnetworking:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "477F1B17-3DD4-4AF2-8B30-9BA05BAC658C",
              "versionEndIncluding": "2.5.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}