CVE-2009-2056

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"46D1A634-D39C-4305-8915-4AA289FB68EE", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.7:*:*:*:*:*:*:*", "matchCriteriaId": "F2FE436B-2117-4FB4-B550-8454848D1D58", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.7.0:*:*:*:*:*:*:*", "matchCriteriaId": "21BAB799-3150-46D8-AEA3-9FCC73203221", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "99042285-94AC-4C57-8EAA-EE63C678A94A", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.7.2:*:*:*:*:*:*:*", "matchCriteriaId": "2E752AA9-CC1C-44B6-A916-A3C76A57F05C", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.7.3:*:*:*:*:*:*:*", "matchCriteriaId": "71CBE50E-9BD3-4F74-8C7A-BE4905090EE2", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.8.0:*:*:*:*:*:*:*", "matchCriteriaId": "96F48419-AF66-4B50-ACBF-9E38287A64FA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vectors involving a BGP UPDATE message with many AS numbers prepended to the AS path."}, {"lang": "es", "value": "Cisco IOS XR 3.8.1 y versiones anteriores permite a atacantes remotos autenticados provocar una denegaci\u00f3n de servicio (caida de proceso) mediante vectores relacionados con un mensaje BGP UPDATE con muchos n\u00fameros AS al comienzo de la ruta AS."}], "id": "CVE-2009-2056", "lastModified": "2026-06-16T23:08:40.357", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "MULTIPLE", "availabilityImpact": "PARTIAL", "baseScore": 3.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:M/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-08-21T17:30:00.297", "references": [{"source": "psirt@cisco.com", "url": "http://securitytracker.com/id?1022756"}, {"source": "psirt@cisco.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securitytracker.com/id?1022756"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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