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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*", "matchCriteriaId": "C2AB6A02-B7C7-48D1-8857-BD1CDF9A40D8", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:3.5.0s:*:*:*:*:*:*:*", "matchCriteriaId": "5872A42F-745E-4EC6-8679-C28F79F6621C", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:3.5.1s:*:*:*:*:*:*:*", "matchCriteriaId": "86947E54-A1B9-4ECE-92A6-417462249612", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:4.1:*:*:*:*:*:*:*", "matchCriteriaId": "06E63681-C89F-4569-A52C-B870D48E436C", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:4.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "8E593EF3-133A-4E15-9B86-6B451F5C0159", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:4.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "3BB49EB2-2D99-4C45-80B7-48299A1EBF30", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "FB6ABB63-E2D2-42F7-B648-BF6002D1C05E", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:4.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "58FEC4F2-040A-4D23-8FE0-BC55020766BB", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:4.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "82520CBD-F42F-4E2D-9D36-878737779690", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The BGP implementation in Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, and IOS XR 4.1.0 through 4.2.2 allows remote attackers to cause a denial of service (multiple connection resets) by leveraging a peer relationship and sending a malformed attribute, aka Bug IDs CSCtt35379, CSCty58300, CSCtz63248, and CSCtz62914."}, {"lang": "es", "value": "La implementaci\u00f3n de BGP en Cisco IOS v15.2, IOS XE v3.5.xS anteriores a v3.5.2S, e IOS XR v4.1.0 hasta la v4.2.2 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (reseteo de m\u00faltiples conexiones) mediante el allows remote attackers to cause a denial of service (multiple connection resets)mediante el aprovechamiento de una relaci\u00f3n entre iguales y el env\u00edo de un atributo con formato incorrecto, tambi\u00e9n conocido como Bug IDs CSCtt35379, CSCty58300, CSCtz63248, y CSCtz62914."}], "id": "CVE-2012-4617", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-09-27T00:55:00.903", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-bgp"}, {"source": "psirt@cisco.com", "url": "http://www.securityfocus.com/bid/55694"}, {"source": "psirt@cisco.com", "url": "http://www.securitytracker.com/id?1027576"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-bgp"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/55694"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1027576"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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