{
  "id": "CVE-2013-1121",
  "sourceIdentifier": "psirt@cisco.com",
  "published": "2013-09-19T18:55:05.540",
  "lastModified": "2024-11-21T01:48:56.810",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The regex engine in the BGP implementation in Cisco NX-OS, when a complex regular expression is configured for inbound routes, allows remote attackers to cause a denial of service (device reload) via a crafted AS path set, aka Bug ID CSCuf49554."
    },
    {
      "lang": "es",
      "value": "El motor de expresiones regulares en la implementaci\u00f3n BGP de Cisco NX-OS, cuando una expresi\u00f3n regular compleja es configurada para rutas de entrada, permite a un atacante remoto causar una denegaci\u00f3n de servicio (recarga de dispositivo) a trav\u00e9s de una ruta AS manipulada, tambien conocida como Bug ID CSCuf49554"
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:C",
          "baseScore": 5.4,
          "accessVector": "NETWORK",
          "accessComplexity": "HIGH",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 4.9,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:cisco:nx-os:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DA35D4AA-24B3-428E-84ED-804EF941E9A9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1121",
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1121",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}