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If a system with sensor-based-stats enabled receives a specific LDP FEC this can lead to the above condition. Continued receipted of such an LDP FEC will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 19.2 version 19.2R2 and later versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S2; 20.1 versions prior to 20.1R2-S1, 20.1R3; 20.2 versions prior to 20.2R2-S1, 20.2R3; 20.3 versions prior to 20.3R1-S2, 20.3R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.2R2. 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If a system with sensor-based-stats enabled receives a specific LDP FEC this can lead to the above condition. Continued receipted of such an LDP FEC will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 19.2 version 19.2R2 and later versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S2; 20.1 versions prior to 20.1R2-S1, 20.1R3; 20.2 versions prior to 20.2R2-S1, 20.2R3; 20.3 versions prior to 20.3R1-S2, 20.3R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.2R2. Juniper Networks Junos OS Evolved All versions prior to 20.1R2-S3-EVO; 20.3 versions prior to 20.3R1-S2-EVO."}, {"lang": "es", "value": "En un entorno MPLS P2MP, una vulnerabilidad de bucle con condici\u00f3n de salida no alcanzable en el demonio del protocolo de enrutamiento (RPD) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante adyacente no autenticado causar una alta carga en el RPD, lo que a su vez puede conllevar a interrupciones del protocolo de enrutamiento. Si un sistema con las estad\u00edsticas basadas en sensores habilitadas recibe un LDP FEC espec\u00edfico, esto puede conllevar a una condici\u00f3n anterior. Una recepci\u00f3n continuada de tal LDP FEC crear\u00e1 una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) sostenida. Este problema afecta: Juniper Networks Junos OS 19.2 versi\u00f3n 19.2R2 y versiones posteriores anteriores a 19.2R3-S3; versiones 19.3 anteriores a 19.3R2-S6, 19.3R3-S2; versiones 19.4 anteriores a 19. 4R1-S4, 19.4R2-S4, 19.4R3-S2; versiones 20.1 anteriores a 20.1R2-S1, 20.1R3; versiones 20.2 anteriores a 20.2R2-S1, 20.2R3; versiones 20.3 anteriores a 20.3R1-S2, 20.3R2. Este problema no afecta a las versiones de Juniper Networks Junos OS anteriores a 19.2R2. Juniper Networks Junos OS Evolved Todas las versiones anteriores a 20.1R2-S3-EVO; versiones 20.3 anteriores a 20.3R1-S2-EVO"}], "id": "CVE-2021-31363", "lastModified": "2021-10-25T17:14:47.863", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 2.9, "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": "sirt@juniper.net", "type": "Primary"}]}, "published": "2021-10-19T19:15:09.310", "references": [{"source": "sirt@juniper.net", "tags": ["Patch", "Vendor Advisory"], "url": "https://kb.juniper.net/JSA11225"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-835"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

{}