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CVE-2014-3361

Estado: ModificadaAlta (7.1)—

El módulo ALG en Cisco IOS 15.0 hasta 15.4 no implementa debidamente SIP sobre NAT, lo que permite a atacantes remotos causar una denegación de servicio (recarga de dispositivo) a través de tráfico multipart SDP IPv4, también conocido como Bug ID CSCun54071.

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 — IOS

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2014-3361",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "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": "2014-09-25T10:55:08.730",
  "references": [
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat/cvrf/cisco-sa-20140924-nat_cvrf.xml",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/70129",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1030896",
      "source": "psirt@cisco.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96181",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat/cvrf/cisco-sa-20140924-nat_cvrf.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/70129",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1030896",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96181",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ALG module in Cisco IOS 15.0 through 15.4 does not properly implement SIP over NAT, which allows remote attackers to cause a denial of service (device reload) via multipart SDP IPv4 traffic, aka Bug ID CSCun54071."
    },
    {
      "lang": "es",
      "value": "El módulo ALG en Cisco IOS 15.0 hasta 15.4 no implementa debidamente SIP sobre NAT, lo que permite a atacantes remotos causar una denegación de servicio (recarga de dispositivo) a través de tráfico multipart SDP IPv4, también conocido como Bug ID CSCun54071."
    }
  ],
  "lastModified": "2026-06-17T00:08:03.207",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CF87CC9A-1AF5-4DB4-ACE5-DB938D3B2F84"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EB41294E-F3DF-4F1E-A4C8-E90B21A88836"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C2AB6A02-B7C7-48D1-8857-BD1CDF9A40D8"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:15.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B870F917-9F35-41AE-8CCA-D8574189C7EC"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:15.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7D549F66-13E6-4AB0-972D-6F7FE6DB82DB"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}