{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-27T03:22:34.690","vulnerabilities":[{"cve":{"id":"CVE-2021-1379","sourceIdentifier":"psirt@cisco.com","published":"2024-11-18T16:15:09.310","lastModified":"2026-01-06T17:30:36.293","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series 68xx/78xx/88xx could allow an unauthenticated, adjacent attacker to execute code remotely or cause a reload of an affected IP phone.\r\nThese vulnerabilities are due to missing checks when the IP phone processes a Cisco Discovery Protocol or LLDP packet. An attacker could exploit these vulnerabilities by sending a malicious Cisco Discovery Protocol or LLDP packet to the targeted IP phone. A successful exploit could allow the attacker to execute code on the affected IP phone or cause it to reload unexpectedly, resulting in a denial of service (DoS) condition.Note: Cisco Discovery Protocol is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities."},{"lang":"es","value":"Varias vulnerabilidades en las implementaciones de Cisco Discovery Protocol y Link Layer Discovery Protocol (LLDP) para los teléfonos IP de Cisco de las series 68xx/78xx/88xx podrían permitir que un atacante adyacente no autenticado ejecute código de forma remota o provoque una recarga de un teléfono IP afectado. Estas vulnerabilidades se deben a la falta de comprobaciones cuando el teléfono IP procesa un paquete Cisco Discovery Protocol o LLDP. Un atacante podría explotar estas vulnerabilidades enviando un paquete Cisco Discovery Protocol o LLDP malicioso al teléfono IP de destino. Una explotación exitosa podría permitir al atacante ejecutar código en el teléfono IP afectado o hacer que se recargue inesperadamente, lo que resultaría en una condición de denegación de servicio (DoS). Nota: Cisco Discovery Protocol es un protocolo de capa 2. Para explotar estas vulnerabilidades, un atacante debe estar en el mismo dominio de difusión que el dispositivo afectado (adyacente a la capa 2). Cisco ha publicado actualizaciones de software que solucionan estas vulnerabilidades. No existen workarounds que solucionen estas vulnerabilidades."}],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-120"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_conference_phone_7832_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"12.8\\(1\\)","matchCriteriaId":"85169CA5-F2A3-4042-9B5D-2B7CB3099A20"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_conference_phone_7832_firmware:12.8\\(1\\):-:*:*:*:*:*:*","matchCriteriaId":"BCE9E23B-9337-42B4-BF3E-7D712379344C"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_conference_phone_7832_with_multiplatform_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"11.3\\(2\\)","matchCriteriaId":"47DB6C05-E88E-44DA-B384-472484748C76"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:ip_conference_phone_7832:-:*:*:*:*:*:*:*","matchCriteriaId":"6592E7FE-346E-4923-97C2-F5298DC802A3"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_conference_phone_8832_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"12.8\\(1\\)","matchCriteriaId":"FF507C75-370E-4BDE-B0E7-E480DB86529F"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_conference_phone_8832_firmware:12.8\\(1\\):-:*:*:*:*:*:*","matchCriteriaId":"E2E78330-0EE4-4618-AAA4-7CA9F482C46D"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_conference_phone_8832_with_multiplatform_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"11.3\\(2\\)","matchCriteriaId":"16F68A09-5FF4-4566-BE33-F23AF52F5382"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:ip_conference_phone_8832:-:*:*:*:*:*:*:*","matchCriteriaId":"F1010D16-DC6E-47A6-8BF9-C1026D975E3D"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_phone_6821_with_multiplatform_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"11.3\\(2\\)","matchCriteriaId":"737560A3-92CE-4772-BFA7-3554799BA570"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:ip_phone_6821:-:*:*:*:*:*:*:*","matchCriteriaId":"AEFD67F1-8FB1-4F27-8B97-59DF78DE41A1"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_phone_6841_with_multiplatform_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"11.3\\(2\\)","matchCriteriaId":"13427609-C101-4C80-8FEE-4A1A4CB99C2F"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:ip_phone_6841:-:*:*:*:*:*:*:*","matchCriteriaId":"CE4960B1-22B4-4B3D-955E-684DA520A1A5"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_phone_6851_with_multiplatform_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"11.3\\(2\\)","matchCriteriaId":"36236BFC-B4C0-47EA-BB0F-F85974DF88A6"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:ip_phone_6851:-:*:*:*:*:*:*:*","matchCriteriaId":"5809CA01-CF32-4E3A-A771-01D5065F0061"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_phone_6861_with_multiplatform_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"11.3\\(2\\)","matchCriteriaId":"EDEA92B7-2088-4113-910C-3A7517E4E575"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:ip_phone_6861:-:*:*:*:*:*:*:*","matchCriteriaId":"C05A7CA6-AD58-45D7-AF32-129E22855D8E"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_phone_6871_with_multiplatform_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"11.3\\(2\\)","matchCriteriaId":"A850D5B2-6F08-4B31-B1BD-C19CB292390B"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:ip_phone_6871:-:*:*:*:*:*:*:*","matchCriteriaId":"864B486C-71F6-4EFD-8F04-BA7FC18DFD5B"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_phone_7811_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"12.8\\(1\\)","matchCriteriaId":"90C06A12-DA6B-4D5A-9E30-2C922EB3EB4D"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ip_phone_7811_firmware:12.8\\(1\\):-:*:*:*:*:*:*","matchCriteriaId":"47018F64-A22E-49B4-9A4C-C98F83334035"},{"vulner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