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Specific packets are being incorrectly routed to a queue used for other high-priority traffic such as BGP, PIM, ICMP, ICMPV6 ND and ISAKMP. Due to this misclassification of traffic, receipt of a high rate of these specific packets will cause delays in the processing of other traffic, leading to a Denial of Service (DoS). Continued receipt of this amount of traffic will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX2K Series: All versions prior to 19.4R3-S9; All 20.2 versions; 20.3 versions prior to 20.3R3-S6 on ACX2K Series; 20.4 versions prior to 20.4R3-S4 on ACX2K Series; All 21.1 versions; 21.2 versions prior to 21.2R3-S3 on ACX2K Series. Note: This issues affects legacy ACX2K Series PPC-based devices. This platform reached Last Supported Version (LSV) as of the Junos OS 21.2 Release."}, {"lang": "es", "value": "Una vulnerabilidad en la gesti\u00f3n de colas Class-of-Service (CoS) en Juniper Networks Junos OS en los dispositivos de la serie ACX2K permite que un atacante basado en red no autenticado provoque una denegaci\u00f3n de servicio (DoS). Paquetes espec\u00edficos se enrutan incorrectamente a una cola utilizada para otro tr\u00e1fico de alta prioridad, como BGP, PIM, ICMP, ICMPV6 ND e ISAKMP. Debido a esta clasificaci\u00f3n err\u00f3nea del tr\u00e1fico, la recepci\u00f3n de una tasa elevada de estos paquetes espec\u00edficos provocar\u00e1 retrasos en el procesamiento de otro tr\u00e1fico, lo que provocar\u00e1 una denegaci\u00f3n de servicio (DoS). La recepci\u00f3n continua de esta cantidad de tr\u00e1fico crear\u00e1 una condici\u00f3n sostenida de Denegaci\u00f3n de Servicio (DoS). Este problema afecta a Juniper Networks Junos OS en la serie ACX2K: todas las versiones anteriores a 19.4R3-S9; Todas las versiones 20.2; Versiones 20.3 anteriores a 20.3R3-S6 en la serie ACX2K; Versiones 20.4 anteriores a 20.4R3-S4 en la serie ACX2K; Todas las versiones 21.1; Versiones 21.2 anteriores a 21.2R3-S3 en la serie ACX2K. Nota: Este problema afecta a los dispositivos heredados basados en PPC de la serie ACX2K. Esta plataforma alcanz\u00f3 la \u00faltima versi\u00f3n admitida (LSV) a partir de la versi\u00f3n Junos OS 21.2."}], "id": "CVE-2023-22391", "lastModified": "2024-11-21T07:44:43.083", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2023-01-13T00:15:09.827", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA70187"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA70187"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-755"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-755"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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