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CVE-2015-6391

Estado: ModificadaAlta (7.8)—

Teléfonos Cisco Unified SIP 3905 permiten a atacantes remotos causar una denegación de servicio (consumo de recursos y pérdida de funcionalidad) a través de una gran cantidad de tráfico de red, también conocida como Bug ID CSCuh51331.

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)

Cisco — Unified SIP Phone 3900 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2015-6391",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2015-12-05T03:59:05.360",
  "references": [
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151202-sip",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1034285",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151202-sip",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1034285",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco Unified SIP 3905 phones allow remote attackers to cause a denial of service (resource consumption and functionality loss) via a large amount of network traffic, aka Bug ID CSCuh51331."
    },
    {
      "lang": "es",
      "value": "Teléfonos Cisco Unified SIP 3905 permiten a atacantes remotos causar una denegación de servicio (consumo de recursos y pérdida de funcionalidad) a través de una gran cantidad de tráfico de red, también conocida como Bug ID CSCuh51331."
    }
  ],
  "lastModified": "2026-06-17T00:30:48.930",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
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              "matchCriteriaId": "98B7F182-7C2C-4D0D-AE2E-F0D5E872294E"
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              "matchCriteriaId": "7F2ACA3A-3400-4E42-8AC1-05F31FDFB80A"
            },
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              "vulnerable": true,
              "matchCriteriaId": "EA703A16-FDF1-4997-BF2A-66A905954D31"
            },
            {
              "criteria": "cpe:2.3:o:cisco:unified_sip_phone_3900_firmware:8.1\\(4\\):*:*:*:*:*:*:*",
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              "matchCriteriaId": "81D952CC-777B-4572-AC5E-A55209B62F80"
            },
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              "vulnerable": true,
              "matchCriteriaId": "4473C487-0220-44C0-AC85-3EB2875C2818"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}