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CVE-2008-3799

Estado: ModificadaAlta (7.8)—
Gravedad7.8Alta · CVSS 2.0
Probabilidad de explotación3.14 %mayor que el 88 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

Fuga de memoria en la implementación de la Session Initiation Protocol (SIP) en Cisco IOS v12.2 a la v12.4, cuando VoIP está configurada, permite a atacantes remotos provocar una denegación de servicio (consumo de memoria y parada del servicio de voz) a través de mensajes SIP válidos no especificados.

CVSS

Puntuación base
7.8
Versión
2.0
Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
3.14 %
Percentil entre todas las CVEs puntuadas
88
Fecha de la puntuación
22/10/2026

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 — IOS

CWE

Referencias

Mostrar las 10 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2008-3799",
  "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": "2008-09-26T16:21:44.050",
  "references": [
    {
      "url": "http://secunia.com/advisories/31990",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01562.shtml",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1020939",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/2670",
      "tags": [
        "Permissions Required"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5927",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://secunia.com/advisories/31990",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01562.shtml",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1020939",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/2670",
      "tags": [
        "Permissions Required"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5927",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-772"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Memory leak in the Session Initiation Protocol (SIP) implementation in Cisco IOS 12.2 through 12.4, when VoIP is configured, allows remote attackers to cause a denial of service (memory consumption and voice-service outage) via unspecified valid SIP messages."
    },
    {
      "lang": "es",
      "value": "Fuga de memoria en la implementación de la Session Initiation Protocol (SIP) en Cisco IOS v12.2 a la v12.4, cuando VoIP está configurada, permite a atacantes remotos provocar una denegación de servicio (consumo de memoria y parada del servicio de voz) a través de mensajes SIP válidos no especificados."
    }
  ],
  "lastModified": "2026-06-16T22:56:33.803",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E4BC49F2-3DCB-45F0-9030-13F6415EE178"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0668C45B-9D25-424B-B876-C1721BFFE5DA"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9D4D8C72-E7BB-40BF-9AE5-622794D63E09"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}