CVE-2026-33802

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"F9EECCB3-37B3-4146-8F8C-4BBFF84499E9", "vulnerable": false}, {"criteria": "cpe:2.3:h:juniper:ex4400:-:*:*:*:*:*:*:*", "matchCriteriaId": "4B43F6CB-0595-4957-8B3B-ADD4EA84D8C2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on EX Series allows a local, authenticated attacker to cause a Denial-of-Service (DoS).\n\n\n\nOn EX2300, EX4000, EX4100, EX4300-MP (Multigigabit) and EX4400 switches, an authenticated, local attacker with no specific permissions or class can execute a specific, privileged CLI 'request' command which will cause complete traffic impact until the system automatically recovers.\n\nThis issue affects Junos OS on EX2300, EX4000, EX4100, EX4300-MP (Multigigabit) and EX4400:\n\n\n * 23.2R2 versions before 23.2R2-S6,\n * 23.4 versions before 23.4R2-S8,\n * 24.2 versions before 24.2R2-S4,\n * 24.4 versions before 24.4R2-S3,\n * 25.2 versions before 25.2R2,\n * 25.4 versions before 25.4R1-S1."}, {"lang": "es", "value": "Una vulnerabilidad de autorizaci\u00f3n faltante en la CLI de Juniper Networks Junos OS en la serie EX permite a un atacante local y autenticado causar una Denegaci\u00f3n de Servicio (DoS).\n\nEn los switches EX2300, EX4000, EX4100, EX4300-MP (Multigigabit) y EX4400, un atacante local y autenticado sin permisos o clase espec\u00edficos puede ejecutar un comando CLI \u2019request\u2019 espec\u00edfico y privilegiado que causar\u00e1 un impacto completo en el tr\u00e1fico hasta que el sistema se recupere autom\u00e1ticamente.\n\nEste problema afecta a Junos OS en EX2300, EX4000, EX4100, EX4300-MP (Multigigabit) y EX4400:\n\n * versiones 23.2R2 anteriores a 23.2R2-S6,\n * versiones 23.4 anteriores a 23.4R2-S8,\n * versiones 24.2 anteriores a 24.2R2-S4,\n * versiones 24.4 anteriores a 24.4R2-S3,\n * versiones 25.2 anteriores a 25.2R2,\n * versiones 25.4 anteriores a 25.4R1-S1."}], "id": "CVE-2026-33802", "lastModified": "2026-10-25T17:10:00.197", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.8, "baseSeverity": "MEDIUM", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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:Y/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-2026-33802", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-10T13:28:21.072727Z", "version": "2.0.3"}}]}, "published": "2026-07-09T22:17:03.633", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA110077"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["ex4100", "ex4300-mp_(multigigabit)", "ex2300", "ex4400", "ex4000"], "status": "affected", "versions": {"scheme": "generic", "value": "[23.2R2,23.2R2-S6)"}}, {"platform": ["ex4100", "ex4300-mp_(multigigabit)", "ex2300", "ex4400", "ex4000"], "status": "affected", "versions": {"scheme": "generic", "value": "[23.4,23.4R2-S8)"}}, {"platform": ["ex4100", "ex4300-mp_(multigigabit)", "ex2300", "ex4400", "ex4000"], "status": "affected", "versions": {"scheme": "generic", "value": "[24.2,24.2R2-S4)"}}, {"platform": ["ex4100", "ex4300-mp_(multigigabit)", "ex2300", "ex4400", "ex4000"], "status": "affected", "versions": {"scheme": "generic", "value": "[24.4,24.4R2-S3)"}}, {"platform": ["ex4100", "ex4300-mp_(multigigabit)", "ex2300", "ex4400", "ex4000"], "status": "affected", "versions": {"scheme": "generic", "value": "[25.2,25.2R2)"}}, {"platform": ["ex4100", "ex4300-mp_(multigigabit)", "ex2300", "ex4400", "ex4000"], "status": "affected", "versions": {"scheme": "generic", "value": "[25.4,25.4R1-S1)"}}], "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": "2026-07-09T23:00:05.259356+00:00", "updated": "2026-08-01T14:00:06.213493+00:00", "vendors": ["juniper_networks", "juniper_networks$PRODUCT$junos_os"]}