CVE-2011-2560

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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:4.1\\(3\\):*:*:*:*:*:*:*", "matchCriteriaId": "F9BD08CD-9169-4B1E-A6DE-B138E6AB533C", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.1\\(3\\)sr1:*:*:*:*:*:*:*", "matchCriteriaId": "DFFD96E3-B19F-41B7-86FD-DBFD41382C28", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.1\\(3\\)sr2:*:*:*:*:*:*:*", "matchCriteriaId": "0E9BF838-87A2-43B8-975B-524D7F954BF5", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.1\\(3\\)sr3:*:*:*:*:*:*:*", "matchCriteriaId": "9600EA23-5428-4312-A38E-480E3C3228BF", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.1\\(3\\)sr4:*:*:*:*:*:*:*", "matchCriteriaId": "57F5547E-F9C8-4F9C-96A1-563A66EE8D48", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.2:*:*:*:*:*:*:*", "matchCriteriaId": "E6C20851-DC17-4E89-A6C1-D1B52D47608F", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "BC830649-C0D4-4FFC-8701-80FB4A706F58", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "935D2815-7146-4125-BDBE-BFAA62A88EC9", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "6BF54827-75E6-4BA0-84F0-0EC0E24A4A73", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.2.3sr1:*:*:*:*:*:*:*", "matchCriteriaId": "6C8628E7-D3C8-4212-B0A5-6B5AC14D6101", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.2.3sr2:*:*:*:*:*:*:*", "matchCriteriaId": "19432E5E-EA68-4B7A-8B99-DEBACBC3F160", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.2.3sr2b:*:*:*:*:*:*:*", "matchCriteriaId": "ABE4CD8E-F27C-4F96-B955-FC1E71B5D55B", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.3:*:*:*:*:*:*:*", "matchCriteriaId": "577571D6-AC59-4A43-B9A5-7B6FC6D2046C", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:unified_communications_manager:4.3\\(1\\):*:*:*:*:*:*:*", "matchCriteriaId": "8F1DEC3B-2782-4144-9651-73116294765D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Packet Capture Service in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x does not properly handle idle TCP connections, which allows remote attackers to cause a denial of service (memory consumption and restart) by making many connections, aka Bug ID CSCtf97162."}, {"lang": "es", "value": "El Packet Capture Service en Cisco Unified Communications Manager (tambi\u00e9n conocido como CUCM o CallManager) v4.x, no maneja adecuadamente las conexiones TCP inactivas, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de memoria y reinicio) realizando m\u00faltiples conexiones, tambi\u00e9n conocido como Bug ID CSCtf97162."}], "id": "CVE-2011-2560", "lastModified": "2026-06-16T23:31:34.887", "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": "2011-08-29T15:55:01.190", "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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