CVE-2026-57022

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"cpe:2.3:h:juniper:srx5800:-:*:*:*:*:*:*:*", "matchCriteriaId": "66F474D4-79B6-4525-983C-9A9011BD958B", "vulnerable": false}, {"criteria": "cpe:2.3:h:juniper:srx5k-spc3:-:*:*:*:*:*:*:*", "matchCriteriaId": "48014920-887A-42FD-B510-EE902F178881", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "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 MX with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen an affected device initiates a TCP connection to an attacker-controlled system that responds with a specific packet, this causes a PFE crash and restart, which affects all services until the system has automatically recovered.\nThis issue can happen among others in the following scenarios: ALG, SSL proxy, UTM, RTLOG, AppQoE probing, AAMW, ICAP, URL filtering.\n\nThis issue affects Junos OS on MX Series with SPC3, SRX5k Series with\u00a0SPC3, SRX1600 Series, SRX2300 Series, SRX4000 Series, and vSRX Series:\n\n * all versions before 23.2R2-S4,\n * 23.4 versions before 23.4R2-S5,\n * 24.2 versions before 24.2R2."}, {"lang": "es", "value": "Una vulnerabilidad de Comprobaci\u00f3n Incorrecta de Condiciones Inusuales o Excepcionales en el Motor de Reenv\u00edo de Paquetes (PFE) de Juniper Networks Junos OS en MX con SPC3 y SRX Series permite a un atacante no autenticado, basado en red, causar una Denegaci\u00f3n de Servicio (DoS).\n\nCuando un dispositivo afectado inicia una conexi\u00f3n TCP a un sistema controlado por el atacante que responde con un paquete espec\u00edfico, esto causa una ca\u00edda y reinicio del PFE, lo que afecta a todos los servicios hasta que el sistema se ha recuperado autom\u00e1ticamente.\nEste problema puede ocurrir, entre otros, en los siguientes escenarios: ALG, proxy SSL, UTM, RTLOG, sondeo de AppQoE, AAMW, ICAP, filtrado de URL.\n\nEste problema afecta a Junos OS en MX Series con SPC3, SRX5k Series con SPC3, SRX1600 Series, SRX2300 Series, SRX4000 Series y vSRX Series:\n\n * todas las versiones anteriores a 23.2R2-S4,\n * versiones 23.4 anteriores a 23.4R2-S5,\n * versiones 24.2 anteriores a 24.2R2."}], "id": "CVE-2026-57022", "lastModified": "2026-10-25T15:10:00.147", "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"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/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:A/V:X/RE:M/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "source": "sirt@juniper.net", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-57022", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-10T14:31:06.973288Z", "version": "2.0.3"}}]}, "published": "2026-07-09T22:17:07.233", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA110082"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["mx_series_with_spc3", "srx5k_series_with\u00a0spc3", "srx1600_series", "srx2300_series", "srx4000_series", "vsrx_series"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,23.2R2-S4)"}}, {"platform": ["mx_series_with_spc3", "srx5k_series_with\u00a0spc3", "srx1600_series", "srx2300_series", "srx4000_series", "vsrx_series"], "status": "affected", "versions": {"scheme": "generic", "value": "[23.4,23.4R2-S5)"}}, {"platform": ["mx_series_with_spc3", "srx5k_series_with\u00a0spc3", "srx1600_series", "srx2300_series", "srx4000_series", "vsrx_series"], "status": "affected", "versions": {"scheme": "generic", "value": "[24.2,24.2R2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Junos OS", "source": "cna", "vendor": "Juniper Networks"}, "product": "junos_os", "vendor": "juniper_networks"}], "created": "2026-07-10T00:30:06.903612+00:00", "updated": "2026-08-01T14:00:06.206784+00:00", "vendors": ["juniper_networks", "juniper_networks$PRODUCT$junos_os"]}