{"api_version":"1","generated_at":"2026-07-23T09:27:40+00:00","cve":"CVE-2011-2561","urls":{"html":"https://cve.report/CVE-2011-2561","api":"https://cve.report/api/cve/CVE-2011-2561.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2011-2561","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-2561"},"summary":{"title":"CVE-2011-2561","description":"The SIP process in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(5b)su4 and 8.x before 8.0(1) does not properly handle SDP data within a SIP call in certain situations related to use of the g729ar8 codec for a Media Termination Point (MTP), which allows remote attackers to cause a denial of service (service outage) via a crafted call, aka Bug ID CSCtc61990.","state":"PUBLISHED","assigner":"cisco","published_at":"2011-08-29 15:55:01","updated_at":"2026-04-29 01:13:23"},"problem_types":["CWE-399","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"7.1","severity":"","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:C","baseScore":7.1,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f531.shtml","name":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f531.shtml","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"Cisco Security Advisory: Cisco Unified Communications Manager Denial of Service Vulnerabilities - Cisco Systems","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2561","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2561","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":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.0\\(1\\)su1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.0\\(1\\)su1a","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.0\\(2a\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.0\\(2a\\)su1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.0\\(2a\\)su2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.0\\(2\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(2a\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(2a\\)su1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(2b\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(2b\\)su1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(3a\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(3a\\)su1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(3a\\)su1a","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(3b\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(3b\\)su1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(3b\\)su2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(3\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(5a\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(5b\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(5b\\)su1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(5b\\)su1a","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(5b\\)su2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(5b\\)su3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(5\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(5\\)su1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"7.1\\(5\\)su1a","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2561","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_communications_manager","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T23:08:22.977Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"20110824 Cisco Unified Communications Manager Denial of Service Vulnerabilities","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"],"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f531.shtml"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"The SIP process in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(5b)su4 and 8.x before 8.0(1) does not properly handle SDP data within a SIP call in certain situations related to use of the g729ar8 codec for a Media Termination Point (MTP), which allows remote attackers to cause a denial of service (service outage) via a crafted call, aka Bug ID CSCtc61990."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2011-08-29T15:00:00.000Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"20110824 Cisco Unified Communications Manager Denial of Service Vulnerabilities","tags":["vendor-advisory","x_refsource_CISCO"],"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f531.shtml"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","ID":"CVE-2011-2561","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 SIP process in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(5b)su4 and 8.x before 8.0(1) does not properly handle SDP data within a SIP call in certain situations related to use of the g729ar8 codec for a Media Termination Point (MTP), which allows remote attackers to cause a denial of service (service outage) via a crafted call, aka Bug ID CSCtc61990."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"20110824 Cisco Unified Communications Manager Denial of Service Vulnerabilities","refsource":"CISCO","url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f531.shtml"}]}}}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2011-2561","datePublished":"2011-08-29T15:00:00.000Z","dateReserved":"2011-06-27T00:00:00.000Z","dateUpdated":"2024-09-17T00:11:11.107Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2011-08-29 15:55:01","lastModifiedDate":"2026-04-29 01:13:23","problem_types":["CWE-399","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:C","baseScore":7.1,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":8.6,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.0\\(1\\)su1:*:*:*:*:*:*:*","matchCriteriaId":"72C54A10-998C-435F-B058-A6879CD608A1"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.0\\(1\\)su1a:*:*:*:*:*:*:*","matchCriteriaId":"D81D69D5-E669-4DBC-A76B-E9C30A239A2B"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.0\\(2\\):*:*:*:*:*:*:*","matchCriteriaId":"FCB47159-FA07-4317-B562-D7AB7C49E8F6"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.0\\(2a\\):*:*:*:*:*:*:*","matchCriteriaId":"8765E016-7C6F-4C36-A22C-78ED8666F7E5"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.0\\(2a\\)su1:*:*:*:*:*:*:*","matchCriteriaId":"2B3D5254-3E67-452E-ADB3-204A66765952"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.0\\(2a\\)su2:*:*:*:*:*:*:*","matchCriteriaId":"9D3680AB-CEF8-4C2C-A46B-C9009E6A6590"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(2a\\):*:*:*:*:*:*:*","matchCriteriaId":"B591E75E-040C-4D26-AF13-A4F87E048579"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(2a\\)su1:*:*:*:*:*:*:*","matchCriteriaId":"F22B2CDE-DB49-402D-8BF2-B9458D907DDE"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(2b\\):*:*:*:*:*:*:*","matchCriteriaId":"18986D7E-E1E6-46EB-A247-2A98224FC122"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(2b\\)su1:*:*:*:*:*:*:*","matchCriteriaId":"BFAAC2E8-B548-4940-9492-DEAB574E7CF8"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(3\\):*:*:*:*:*:*:*","matchCriteriaId":"46BDD926-7F96-46C5-AD9C-40B7D3C78340"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(3a\\):*:*:*:*:*:*:*","matchCriteriaId":"7BA63076-B8A1-4672-99F3-703F7838F3A1"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(3a\\)su1:*:*:*:*:*:*:*","matchCriteriaId":"3EADE6FA-40F8-4BEB-ABDB-77D4C0E587BC"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(3a\\)su1a:*:*:*:*:*:*:*","matchCriteriaId":"3F84676C-75A5-48D2-889D-B48EC724336F"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(3b\\):*:*:*:*:*:*:*","matchCriteriaId":"2EA15D48-A0DE-4091-8C78-666E98B488C4"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(3b\\)su1:*:*:*:*:*:*:*","matchCriteriaId":"3038823F-C32D-4C1B-8228-D14B35535297"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(3b\\)su2:*:*:*:*:*:*:*","matchCriteriaId":"617E82C3-1CB1-46B2-BCFE-94BF9DBDD1D5"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(5\\):*:*:*:*:*:*:*","matchCriteriaId":"2ECDCE1A-176D-46E0-9C39-19FAD7B57892"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(5\\)su1:*:*:*:*:*:*:*","matchCriteriaId":"C6856A2A-55F4-4785-BEC1-54295D7D9CD6"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(5\\)su1a:*:*:*:*:*:*:*","matchCriteriaId":"2727998A-ED1F-4EFE-9952-7DA8486706D0"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(5a\\):*:*:*:*:*:*:*","matchCriteriaId":"F61FD826-A08E-477C-AA57-359B10387035"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(5b\\):*:*:*:*:*:*:*","matchCriteriaId":"7A9EDB91-350B-4ED4-A177-257023380C44"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(5b\\)su1:*:*:*:*:*:*:*","matchCriteriaId":"2CBA6140-CEF7-4990-9A1E-76F02607BA84"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(5b\\)su1a:*:*:*:*:*:*:*","matchCriteriaId":"9DCF2F2A-DF52-4BD8-A56B-B4E91CD1D1E6"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(5b\\)su2:*:*:*:*:*:*:*","matchCriteriaId":"9F0A5B28-0211-4173-BD91-67BCA3267C95"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:7.1\\(5b\\)su3:*:*:*:*:*:*:*","matchCriteriaId":"74323C2F-949A-4A97-8A1A-1D0A470B93BC"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:8.0:*:*:*:*:*:*:*","matchCriteriaId":"248E4608-B870-4913-8048-3771685CBD77"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2011","CveId":"2561","Ordinal":"1","Title":"CVE-2011-2561","CVE":"CVE-2011-2561","Year":"2011"},"notes":[{"CveYear":"2011","CveId":"2561","Ordinal":"1","NoteData":"The SIP process in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(5b)su4 and 8.x before 8.0(1) does not properly handle SDP data within a SIP call in certain situations related to use of the g729ar8 codec for a Media Termination Point (MTP), which allows remote attackers to cause a denial of service (service outage) via a crafted call, aka Bug ID CSCtc61990.","Type":"Description","Title":"CVE-2011-2561"},{"CveYear":"2011","CveId":"2561","Ordinal":"2","NoteData":"2011-08-29","Type":"Other","Title":"Published"}]}}}