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{"descriptions": [{"lang": "en", "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on SRX Series, and MX Series with SPC3 allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen an affected device receives specific valid TCP traffic, the pfe crashes and restarts leading to a momentary but complete service outage.\n\nThis issue affects Junos OS:\n\n21.2 releases from 21.2R3-S5 before 21.2R3-S6.\n\nThis issue does not affect earlier or later releases."}, {"lang": "es", "value": "Una verificaci\u00f3n inadecuada de la vulnerabilidad de condiciones inusuales o excepcionales en Packet Forwarding Engine (pfe) de Juniper Networks Junos OS en la serie SRX y la serie MX con SPC3 permite que un atacante no autenticado basado en red provoque una denegaci\u00f3n de servicio (DoS) . Cuando un dispositivo afectado recibe tr\u00e1fico TCP v\u00e1lido espec\u00edfico, el pfe falla y se reinicia, lo que provoca una interrupci\u00f3n moment\u00e1nea pero completa del servicio. Este problema afecta a Junos OS: versiones 21.2 de 21.2R3-S5 anteriores a 21.2R3-S6. Este problema no afecta a las versiones anteriores ni posteriores."}], "id": "CVE-2024-39540", "lastModified": "2024-11-21T09:27:57.980", "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"}], "cvssMetricV40": [{"cvssData": {"attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "automatable": "NOT_DEFINED", "availabilityRequirements": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirements": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirements": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubsequentSystemAvailability": "NOT_DEFINED", "modifiedSubsequentSystemConfidentiality": "NOT_DEFINED", "modifiedSubsequentSystemIntegrity": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnerableSystemAvailability": "NOT_DEFINED", "modifiedVulnerableSystemConfidentiality": "NOT_DEFINED", "modifiedVulnerableSystemIntegrity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "recovery": "NOT_DEFINED", "safety": "NOT_DEFINED", "subsequentSystemAvailability": "LOW", "subsequentSystemConfidentiality": "NONE", "subsequentSystemIntegrity": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnerabilityResponseEffort": "NOT_DEFINED", "vulnerableSystemAvailability": "HIGH", "vulnerableSystemConfidentiality": "NONE", "vulnerableSystemIntegrity": "NONE"}, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2024-07-11T17:15:12.883", "references": [{"source": "sirt@juniper.net", "url": "https://supportportal.juniper.net/JSA83000"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://supportportal.juniper.net/JSA83000"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

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