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"operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Denial of Service (DoS) vulnerability in the processing of a flood of specific ARP traffic in Juniper Networks Junos OS on the EX4300 switch, sent from the local broadcast domain, may allow an unauthenticated network-adjacent attacker to trigger a PFEMAN watchdog timeout, causing the Packet Forwarding Engine (PFE) to crash and restart. After the restart, transit traffic will be temporarily interrupted until the PFE is reprogrammed. In a virtual chassis (VC), the impacted Flexible PIC Concentrator (FPC) may split from the VC temporarily, and join back into the VC once the PFE restarts. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on the EX4300: All versions prior to 15.1R7-S12; 18.4 versions prior to 18.4R2-S10, 18.4R3-S11; 19.1 versions prior to 19.1R3-S8; 19.2 versions prior to 19.2R1-S9, 19.2R3-S4; 19.3 versions prior to 19.3R3-S5; 19.4 versions prior to 19.4R2-S6, 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2-S1, 21.2R3; 21.3 versions prior to 21.3R1-S2, 21.3R2."}, {"lang": "es", "value": "Una vulnerabilidad de Denegaci\u00f3n de Servicio (DoS) en el procesamiento de una avalancha de tr\u00e1fico ARP espec\u00edfico en Juniper Networks Junos OS en el switch EX4300, enviado desde el dominio de difusi\u00f3n local, puede permitir que un atacante no autenticado adyacente a la red active un tiempo de espera de watchdog de PFEMAN, causando el bloqueo y el reinicio del motor de reenv\u00edo de paquetes (PFE). Tras el reinicio, el tr\u00e1fico de tr\u00e1nsito ser\u00e1 interrumpido temporalmente hasta que sea reprogramado el PFE. En un chasis virtual (VC), el concentrador PIC flexible (FPC) afectado puede separarse del VC temporalmente y volver a unirse al VC una vez que el PFE sea reiniciado. La recepci\u00f3n y el procesamiento continuos de estos paquetes crear\u00e1n una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) sostenida. Este problema afecta a Juniper Networks Junos OS en EX4300: todas las versiones anteriores a 15.1R7-S12; las versiones 18.4 anteriores a 18.4R2-S10, 18.4R3-S11; las versiones 19.1 anteriores a 19.1R3-S8; las versiones 19.2 anteriores a 19.2R1-S9, 19.2R3-S4; las versiones 19.3 anteriores a 19.3R3-S5; las versiones 19.4 anteriores a 19. 4R2-S6, 19.4R3-S7; 20.1 versiones anteriores a 20.1R3-S3; 20.2 versiones anteriores a 20.2R3-S3; 20.3 versiones anteriores a 20.3R3-S2; 20.4 versiones anteriores a 20.4R3-S1; 21.1 versiones anteriores a 21.1R3; 21.2 versiones anteriores a 21.2R2-S1, 21.2R3; 21.3 versiones anteriores a 21.3R1-S2, 21.3R2"}], "id": "CVE-2022-22191", "lastModified": "2022-04-21T09:49:30.857", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "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": "nvd@nist.gov", "type": "Primary"}, {"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"}]}, "published": "2022-04-14T16:15:08.290", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA69502"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-410"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

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