{"api_version":"1","generated_at":"2026-07-23T11:28:41+00:00","cve":"CVE-2015-4243","urls":{"html":"https://cve.report/CVE-2015-4243","api":"https://cve.report/api/cve/CVE-2015-4243.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2015-4243","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-4243"},"summary":{"title":"CVE-2015-4243","description":"The PPPoE establishment implementation in Cisco IOS XE 3.5.0S on ASR 1000 devices allows remote attackers to cause a denial of service (device reload) by sending malformed PPPoE Active Discovery Request (PADR) packets on the local network, aka Bug ID CSCty94202.","state":"PUBLISHED","assigner":"cisco","published_at":"2015-07-08 14:59:03","updated_at":"2026-05-06 22:30:45"},"problem_types":["CWE-399","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"6.1","severity":"","vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","data":{"version":"2.0","vectorString":"AV:A/AC:L/Au:N/C:N/I:N/A:C","baseScore":6.1,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=39675","name":"http://tools.cisco.com/security/center/viewAlert.x?alertId=39675","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"Cisco IOS XE for Cisco 1000 Series ASR Routers Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id/1032805","name":"http://www.securitytracker.com/id/1032805","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"Cisco 1000 Series ASR Router PADR Processing Flaw Lets Remote Users Deny Service - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-4243","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-4243","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2015","cve_id":"4243","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"asr_1001","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"4243","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"asr_1001-x","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"4243","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"asr_1002","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"4243","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"asr_1002-x","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"4243","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"asr_1004","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"4243","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"asr_1006","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"4243","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"asr_1013","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"4243","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"cisco","cpe5":"ios_xe","cpe6":"3.5.0s","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T06:11:11.774Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"1032805","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id/1032805"},{"name":"20150707 Cisco IOS XE for Cisco 1000 Series ASR Routers Denial of Service Vulnerability","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"],"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=39675"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2015-07-07T00:00:00.000Z","descriptions":[{"lang":"en","value":"The PPPoE establishment implementation in Cisco IOS XE 3.5.0S on ASR 1000 devices allows remote attackers to cause a denial of service (device reload) by sending malformed PPPoE Active Discovery Request (PADR) packets on the local network, aka Bug ID CSCty94202."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2016-12-23T18:57:01.000Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"1032805","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id/1032805"},{"name":"20150707 Cisco IOS XE for Cisco 1000 Series ASR Routers Denial of Service Vulnerability","tags":["vendor-advisory","x_refsource_CISCO"],"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=39675"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","ID":"CVE-2015-4243","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The PPPoE establishment implementation in Cisco IOS XE 3.5.0S on ASR 1000 devices allows remote attackers to cause a denial of service (device reload) by sending malformed PPPoE Active Discovery Request (PADR) packets on the local network, aka Bug ID CSCty94202."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"1032805","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1032805"},{"name":"20150707 Cisco IOS XE for Cisco 1000 Series ASR Routers Denial of Service Vulnerability","refsource":"CISCO","url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=39675"}]}}}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2015-4243","datePublished":"2015-07-08T14:00:00.000Z","dateReserved":"2015-06-04T00:00:00.000Z","dateUpdated":"2024-08-06T06:11:11.774Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2015-07-08 14:59:03","lastModifiedDate":"2026-05-06 22:30:45","problem_types":["CWE-399","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:L/Au:N/C:N/I:N/A:C","baseScore":6.1,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":6.5,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:3.5.0s:*:*:*:*:*:*:*","matchCriteriaId":"5872A42F-745E-4EC6-8679-C28F79F6621C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asr_1001:-:*:*:*:*:*:*:*","matchCriteriaId":"ED7C321E-F083-4AB6-96A0-D6358980441E"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asr_1001-x:-:*:*:*:*:*:*:*","matchCriteriaId":"09C913FF-63D5-43FB-8B39-598EF436BA5A"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asr_1002:-:*:*:*:*:*:*:*","matchCriteriaId":"E4376E56-A21C-4642-A85D-439C8E21CD7F"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asr_1002-x:-:*:*:*:*:*:*:*","matchCriteriaId":"444F688F-79D0-4F22-B530-7BD520080B8F"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asr_1004:-:*:*:*:*:*:*:*","matchCriteriaId":"55DD2272-10C2-43B9-9F13-6DC41DBE179B"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asr_1006:-:*:*:*:*:*:*:*","matchCriteriaId":"7428E0A8-1641-47FB-9CA9-34311DEF660D"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:asr_1013:-:*:*:*:*:*:*:*","matchCriteriaId":"854D9594-FE84-4E7B-BA21-A3287F2DC302"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2015","CveId":"4243","Ordinal":"1","Title":"CVE-2015-4243","CVE":"CVE-2015-4243","Year":"2015"},"notes":[{"CveYear":"2015","CveId":"4243","Ordinal":"1","NoteData":"The PPPoE establishment implementation in Cisco IOS XE 3.5.0S on ASR 1000 devices allows remote attackers to cause a denial of service (device reload) by sending malformed PPPoE Active Discovery Request (PADR) packets on the local network, aka Bug ID CSCty94202.","Type":"Description","Title":"CVE-2015-4243"},{"CveYear":"2015","CveId":"4243","Ordinal":"2","NoteData":"2015-07-08","Type":"Other","Title":"Published"},{"CveYear":"2015","CveId":"4243","Ordinal":"3","NoteData":"2016-12-23","Type":"Other","Title":"Modified"}]}}}