CVE-2022-22225

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In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash. As this crash depends on whether a route is a contributing route, and on the internal timing of the events triggered by the flap this vulnerability is outside the direct control of a potential attacker. This issue affects: Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S6; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S4-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO versions prior to 21.2R2-EVO; 21.3-EVO versions prior to 21.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions 19.2 versions prior to 19.2R2, 19.3R1 and above prior to 20.2R1. 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In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash. As this crash depends on whether a route is a contributing route, and on the internal timing of the events triggered by the flap this vulnerability is outside the direct control of a potential attacker. This issue affects: Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S6; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S4-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO versions prior to 21.2R2-EVO; 21.3-EVO versions prior to 21.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions 19.2 versions prior to 19.2R2, 19.3R1 and above prior to 20.2R1. Juniper Networks Junos OS Evolved versions prior to 20.2R1-EVO."}, {"lang": "es", "value": "Una vulnerabilidad de Condici\u00f3n de Carrera de Tiempo de comprobaci\u00f3n Tiempo de Uso (TOCTOU) en el demonio de protocolo de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante no autenticado con una sesi\u00f3n BGP establecida causar una Denegaci\u00f3n de Servicio (DoS). En un escenario de rutas m\u00faltiples de BGP, cuando una de las rutas que contribuyen a ello es desplazado con frecuencia y rapidez, rpd puede bloquearse. Como este bloqueo depende de si una ruta es una ruta contribuyente, y del tiempo interno de los eventos desencadenados por el flap, esta vulnerabilidad est\u00e1 fuera del control directo de un potencial atacante. Este problema afecta a: Juniper Networks Junos OS 19.2 versiones anteriores a 19.2R3-S6; 20.2 versiones anteriores a 20.2R3-S4; 20.3 versiones anteriores a 20.3R3-S3; 20.4 versiones anteriores a 20.4R3-S4; 21.1 versiones anteriores a 21.1R3; 21.2 versiones anteriores a 21.2R2; 21.3 versiones anteriores a 21.3R2. Juniper Networks Junos OS Evolved Todas las versiones anteriores a 20.4R3-S4-EVO; 21.1-EVO versi\u00f3n 21.1R1-EVO y versiones posteriores; 21.2-EVO versiones anteriores a 21.2R2-EVO; 21.3-EVO versiones anteriores a 21.3R2-EVO. Este problema no afecta a: Juniper Networks Junos OS versiones 19.2 anteriores a 19.2R2, 19.3R1 y posteriores anteriores a 20.2R1. Las versiones de Junos OS Evolved de Juniper Networks anteriores a 20.2R1-EVO"}], "id": "CVE-2022-22225", "lastModified": "2026-06-17T04:28:03.080", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-22225", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-05-12T14:42:21.718224Z", "version": "2.0.3"}}]}, "published": "2022-10-18T03:15:09.857", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA69875"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA69875"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-367"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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