CVE-2011-2561

{"containers": {"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"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:08:22.977Z"}, "title": "CVE Program Container", "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"}]}]}, "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"}

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"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."}, {"lang": "es", "value": "El proceso SIP en Cisco Unified Communications Manager (tambi\u00e9n conocido como CUCM o CallManager) v7.x antes de v7.1(5b)su4 y v8.x antes de v8.0(1), no maneja adecuadamente datos SDP entre una llamada SIP en ciertas situaciones relacionadas con el uso del codec g729ar8 para Media Termination Point (MTP), lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (interrupci\u00f3n del servicio) a trav\u00e9s de una llamada modificada, tambi\u00e9n conocido como Bug ID CSCtc61990."}], "id": "CVE-2011-2561", "lastModified": "2026-06-16T23:31:34.987", "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": "2011-08-29T15:55:01.220", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f531.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f531.shtml"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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