« Volver al listado

CVE-2014-2111

Estado: ModificadaAlta (7.1)—

El módulo Application Layer Gateway (ALG) en Cisco IOS 12.2 hasta 12.4 y 15.0 hasta 15.4, cuando se utiliza NAT, permite a atacantes remotos causar una denegación de servicio (reinicio de dispositivo) a través de paquetes DNS manipulados, también conocido como Bug ID CSCue00996.

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)

Mostrar
{
  "id": "CVE-2014-2111",
  "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": "2014-03-27T21:55:09.063",
  "references": [
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/66470",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/66470",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996."
    },
    {
      "lang": "es",
      "value": "El módulo Application Layer Gateway (ALG) en Cisco IOS 12.2 hasta 12.4 y 15.0 hasta 15.4, cuando se utiliza NAT, permite a atacantes remotos causar una denegación de servicio (reinicio de dispositivo) a través de paquetes DNS manipulados, también conocido como Bug ID CSCue00996."
    }
  ],
  "lastModified": "2026-06-17T00:06:04.917",
  "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"
            },
            {
              "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"
}