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CVE-2009-1168

Estado: ModificadaAlta (7.1)—

Cisco IOS v12.0(32)S12 hasta v12.0(32)S13 y v12.0(33)S3 hasta v12.0(33)S4, v12.0(32)SY8 hasta v12.0(32)SY9, v12.2(33)SXI1, v12.2XNC anterior a v12.2(33)XNC2, v12.2XND anterior a v12.2(33)XND1, y v12.4(24)T1; y IOS XE v2.3 hasta v2.3.1t y v2.4 hasta v2.4.0; cuando el enrutado RFC4893 BGP está habilitado, lo que permite a los atacantes remotos causar una denegación de servicio (corrupción de memoria o reinicio del dispositivo) usando un par RFC4271 para enviar una actualización con una serie larga de números AS, también conocido como fallo ID CSCsy86021.

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 (2)

Cisco — IOSCisco — IOS XE

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2009-1168",
  "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": "2009-07-30T18:30:00.203",
  "references": [
    {
      "url": "http://secunia.com/advisories/36046",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080aea4c9.shtml",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/35862",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1022619",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/2082",
      "source": "psirt@cisco.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6697",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://secunia.com/advisories/36046",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080aea4c9.shtml",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/35862",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1022619",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/2082",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6697",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (memory corruption and device reload) by using an RFC4271 peer to send an update with a long series of AS numbers, aka Bug ID CSCsy86021."
    },
    {
      "lang": "es",
      "value": "Cisco IOS v12.0(32)S12 hasta v12.0(32)S13 y v12.0(33)S3 hasta v12.0(33)S4, v12.0(32)SY8 hasta v12.0(32)SY9, v12.2(33)SXI1, v12.2XNC anterior a v12.2(33)XNC2, v12.2XND anterior a v12.2(33)XND1, y v12.4(24)T1; y IOS XE v2.3 hasta v2.3.1t y v2.4 hasta v2.4.0; cuando el enrutado RFC4893 BGP está habilitado, lo que permite a los atacantes remotos causar una denegación de servicio (corrupción de memoria o reinicio del dispositivo) usando un par RFC4271 para enviar una actualización con una serie larga de números AS, también conocido como fallo ID CSCsy86021."
    }
  ],
  "lastModified": "2026-06-16T23:06:38.860",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.0\\(32\\)s12:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7F505B0A-E9E0-4CF3-B85B-70EEE71314F0"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.0\\(32\\)s13:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ED66A91B-6429-4983-8167-07DECA601916"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.0\\(32\\)sy8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0F288884-3DB7-474D-B56B-120E2DB7975A"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.0\\(32\\)sy9:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A29860C6-75E6-43A4-8BF5-E6ABF2040B0F"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.0\\(33\\)s3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AF0C8019-BDDA-4019-AF64-352EFFAC9036"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.0\\(33\\)s4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9BCFE974-9D9A-443D-A55D-6A2CBF96EC4D"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.2\\(33\\)sxi1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4627BEF7-CEEB-4CBC-8620-4D9C5A7F7C30"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.2\\(33\\)sxi2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "866E9A29-97D8-41E1-81BE-73FAF1B5E2DE"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.2xnc:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5D57ACB3-4ADC-4FBE-BA46-395F277B9997"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.2xnd:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E2916FA5-1FFF-48FB-A079-693AD3444CC1"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.4\\(24\\)t1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2A6AD6E5-EBB0-44D8-A63C-EFF7260E4CC3"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:2.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "91895083-E6C5-432A-BF41-8D157E539C14"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:2.3.1t:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "57F6EF3B-2F31-4449-9B2A-9114D41BBC6A"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:2.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4964AB2C-E255-4844-8DD9-FFFC9512B7C4"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:2.4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6D0B52CA-3834-4435-A3E1-9684A41E6405"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}