FKIE_CVE-2012-4099

Vulnerability from fkie_nvd - Published: 2013-10-14 03:34 - Updated: 2026-06-16 23:44
Severity
Summary
The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13065.
References
psirt@cisco.comhttp://osvdb.org/98130
psirt@cisco.comhttp://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4099Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/98130
af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4099Vendor Advisory
Impacted products
Vendor Product Version
cisco nx-os -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "psirt@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DA35D4AA-24B3-428E-84ED-804EF941E9A9",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13065."
    },
    {
      "lang": "es",
      "value": "La implementacion BGP en  no filtra apropiadamente las rutas AS, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio ( reset de servicio BGP y resync) a trav\u00e9s de un mensaje UPDATE malformado, tambien conocido como Bug ID CSCtn13065."
    }
  ],
  "id": "CVE-2012-4099",
  "lastModified": "2026-06-16T23:44:25.250",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2013-10-14T03:34:55.010",
  "references": [
    {
      "source": "psirt@cisco.com",
      "url": "http://osvdb.org/98130"
    },
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4099"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/98130"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4099"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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