{
  "id": "CVE-2015-4203",
  "sourceIdentifier": "ykramarz@cisco.com",
  "published": "2015-06-23T14:59:01.370",
  "lastModified": "2016-12-28T18:01:56.937",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine (PRE) module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service (PXF process crash) by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396."
    },
    {
      "lang": "es",
      "value": "Condici\u00f3n de carrera en Cisco IOS 12.2SCH en el m\u00f3dulo Performance Routing Engine (PRE) en los dispositivos uBR10000, cuando NetFlow y una VPN MPLS IPv6 est\u00e1n configurados, permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda del proceso PXF) mediante el env\u00edo r\u00e1pido de paquetes MPLS 6VPE malformados, tambi\u00e9n conocida como Bug ID CSCud83396."
    }
  ],
  "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",
          "accessVector": "NETWORK",
          "accessComplexity": "HIGH",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 5.4
        },
        "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-362"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:cisco:ios:12.2\\(33\\)sch:*:*:*:*:*:*:*",
              "matchCriteriaId": "4B0B3338-E4D5-4095-8974-71E53C331994"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:cisco:ios:12.2sch:*:*:*:*:*:*:*",
              "matchCriteriaId": "B4036869-5126-4C78-9F5E-3159F8FC62EB"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:cisco:ubr10000_cable_modem_termination_system:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "AC98615A-29AC-454E-B4D9-222E8E85AD31"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=39439",
      "source": "ykramarz@cisco.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/75339",
      "source": "ykramarz@cisco.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.securitytracker.com/id/1032692",
      "source": "ykramarz@cisco.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    }
  ]
}