CVE-2023-44203

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flood.\n\nThis issue affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only.\n\nThis issue affects Juniper Junos OS on on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600:\n\n\n\n * All versions prior to 20.4R3-S5;\n * 21.1 versions prior to 21.1R3-S4;\n * 21.2 versions prior to 21.2R3-S3;\n * 21.3 versions prior to 21.3R3-S5;\n * 21.4 versions prior to 21.4R3-S2;\n * 22.1 versions prior to 22.1R3;\n * 22.2 versions prior to 22.2R3;\n * 22.3 versions prior to 22.3R2.\n\n\n\n\n\n\n"}, {"lang": "es", "value": "Una vulnerabilidad de verificaci\u00f3n o manejo inadecuado de condiciones excepcionales en Packet Forwarding Engine (pfe) de Juniper Networks Junos OS en las series QFX5000, EX2300, EX3400, EX4100, EX4400 y EX4600 permite que un atacante adyacente env\u00ede tr\u00e1fico espec\u00edfico, lo que provoca una inundaci\u00f3n de paquetes. resultando en una Denegaci\u00f3n de Servicio (DoS). Cuando se recibe un paquete IGMP espec\u00edfico en una VLAN aislada, se duplica en todos los dem\u00e1s puertos de la VLAN principal, lo que provoca una inundaci\u00f3n. Este problema afecta \u00fanicamente a las series QFX5000, EX2300, EX3400, EX4100, EX4400 y EX4600. Este problema afecta a Juniper Junos OS en las series QFX5000, EX2300, EX3400, EX4100, EX4400 y EX4600: * Todas las versiones anteriores a 20.4R3-S5; * Versiones 21.1 anteriores a 21.1R3-S4; * Versiones 21.2 anteriores a 21.2R3-S3; * Versiones 21.3 anteriores a 21.3R3-S5; * Versiones 21.4 anteriores a 21.4R3-S2; * Versiones 22.1 anteriores a 22.1R3; * Versiones 22.2 anteriores a 22.2R3; * Versiones 22.3 anteriores a 22.3R2."}], "id": "CVE-2023-44203", "lastModified": "2026-06-17T06:27:07.263", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-44203", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-17T15:45:38.633995Z", "version": "2.0.3"}}]}, "published": "2023-10-13T00:15:12.987", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA73169"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA73169"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-703"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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