{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2009-08-26T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 before 7.1(2); and Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4); allows remote attackers to cause a denial of service (TCP services outage) via a large number of TCP connections, related to \"tracking of network connections,\" aka Bug IDs CSCsq22534 and CSCsw52371."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2009-09-02T09:00:00.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "ADV-2009-2915", "tags": ["vdb-entry", "x_refsource_VUPEN"], "url": "http://www.vupen.com/english/advisories/2009/2915"}, {"name": "36499", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/36499"}, {"name": "37039", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/37039"}, {"name": "1023018", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://securitytracker.com/id?1023018"}, {"name": "36152", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/36152"}, {"name": "36498", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/36498"}, {"name": "20091014 Cisco Unified Presence Denial of Service Vulnerabilities", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080afc930.shtml"}, {"name": "20090826 Cisco Unified Communications Manager Denial of Service Vulnerabilities", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml"}, {"name": "1022775", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id?1022775"}, {"name": "36676", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/36676"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "ID": "CVE-2009-2052", "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": "Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 before 7.1(2); 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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "B48B0779-7796-45D2-8967-459F562A6243", "versionEndExcluding": "5.1\\(3g\\)", "versionStartIncluding": "5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "98AF7F97-8702-4E7B-BDE4-BD5A3114FDF4", "versionEndExcluding": "6.1\\(4\\)", "versionStartIncluding": "6.1\\(1\\)", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "70FFE57A-3D1F-4310-87F5-CEE420125357", "versionEndExcluding": "7.0\\(2\\)", "versionStartIncluding": "7.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "96DB29BF-9A40-4591-BE41-C519B86C2EEF", "versionEndExcluding": "7.1\\(2\\)", "versionStartIncluding": "7.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 before 7.1(2); and Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4); allows remote attackers to cause a denial of service (TCP services outage) via a large number of TCP connections, related to \"tracking of network connections,\" aka Bug IDs CSCsq22534 and CSCsw52371."}, {"lang": "es", "value": "Unified Communications Manager de Cisco (tambi\u00e9n conocido como CUCM, anteriormente CallManager) versi\u00f3n 4.x, versi\u00f3n 5.x anterior a 5.1 (3g), versi\u00f3n 6.x anterior a 6.1 (4), versi\u00f3n 7.0 anterior a 7.0 (2) y versi\u00f3n 7.1 anterior a 7.1 (2); y Unified Presence de Cisco versi\u00f3n 1.x, versi\u00f3n 6.x anterior a 6.0 (6) y versi\u00f3n 7.x anterior a 7.0 (4); permite a los atacantes remotos causar una denegaci\u00f3n de servicio (interrupci\u00f3n de los servicios TCP) por medio de una gran cantidad de conexiones TCP, relacionadas con el \"tracking of network connections,\" tambi\u00e9n conocida como Bug Id. CSCsq22534 y CSCsw52371."}], "id": "CVE-2009-2052", "lastModified": "2026-06-16T23:08:39.843", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-08-27T17:00:01.000", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/36498"}, {"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/36499"}, {"source": "psirt@cisco.com", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/37039"}, {"source": "psirt@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://securitytracker.com/id?1023018"}, {"source": "psirt@cisco.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml"}, {"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080afc930.shtml"}, {"source": "psirt@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/36152"}, {"source": "psirt@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/36676"}, {"source": "psirt@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id?1022775"}, {"source": "psirt@cisco.com", "tags": ["Third Party Advisory"], "url": "http://www.vupen.com/english/advisories/2009/2915"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/36498"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/36499"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/37039"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://securitytracker.com/id?1023018"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080afc930.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/36152"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/36676"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id?1022775"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.vupen.com/english/advisories/2009/2915"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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