CVE-2022-20817

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This vulnerability is due to improper key generation during the manufacturing process that could result in duplicated manufactured keys installed on multiple devices. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on the secure communication between the phone and the CUCM. A successful exploit could allow the attacker to impersonate another user's phone. This vulnerability cannot be addressed with software updates. There is a workaround that addresses this vulnerability."}, {"lang": "es", "value": "Una vulnerabilidad en los tel\u00e9fonos IP de Cisco Unified podr\u00eda permitir a un atacante remoto no autenticado hacerse pasar por el tel\u00e9fono de otro usuario si Cisco Unified Communications Manager (CUCM) est\u00e1 en modo seguro. Esta vulnerabilidad es debido a la generaci\u00f3n inapropiada de claves durante el proceso de fabricaci\u00f3n que podr\u00eda resultar en claves fabricadas duplicadas instaladas en varios dispositivos. Un atacante podr\u00eda aprovechar esta vulnerabilidad al llevar a cabo un ataque de m\u00e1quina en el medio en la comunicaci\u00f3n segura entre el tel\u00e9fono y el CUCM. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante hacerse pasar por el tel\u00e9fono de otro usuario. Esta vulnerabilidad no puede abordarse con actualizaciones de software. Se presenta una mitigaci\u00f3n que aborda esta vulnerabilidad"}], "lastModified": "2023-11-07T03:43:02.067", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:cisco:unified_ip_phone_6911:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F32CF4BC-40AD-4C9C-8787-2B7EAE2B3B5F"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:unified_ip_phone_6911_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33DC1B73-7716-4C33-B708-DB70C91D4EFF"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:cisco:unified_ip_phone_6921:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9B807519-7A91-4137-8B0D-0820C6299C13"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:unified_ip_phone_6921_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF807E93-45B9-4197-A475-81FD8BB84360"}], "operator": "OR"}], 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