CVE-2019-0041

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{"affected": [{"affectedData": [{"platforms": ["EX4300-MP Series"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "18.2R1-S2, 18.2R2", "status": "affected", "version": "18.2", "versionType": "custom"}]}], "source": "sirt@juniper.net"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:juniper:junos:18.2:-:*:*:*:*:*:*", "matchCriteriaId": "A8B5BD93-3C11-45D5-ACF0-7C4C01106C8A", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:18.2:r1:*:*:*:*:*:*", "matchCriteriaId": "167EEC4F-729E-47C2-B0F8-E8108CE3E985", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:juniper:ex4300-mp:-:*:*:*:*:*:*:*", "matchCriteriaId": "F9EECCB3-37B3-4146-8F8C-4BBFF84499E9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "On EX4300-MP Series devices with any lo0 filters applied, transit network traffic may reach the control plane via loopback interface (lo0). The device may fail to forward such traffic. This issue affects Juniper Networks Junos OS 18.2 versions prior to 18.2R1-S2, 18.2R2 on EX4300-MP Series. This issue does not affect any other EX series devices."}, {"lang": "es", "value": "En los dispositivos de la serie EX4300-MP con cualquier filtro lo0 aplicado, el tr\u00e1fico de la red de tr\u00e1nsito puede alcanzar el plano de control por medio de la interfaz de bucle invertido (lo0). El dispositivo puede no reenviar dicho tr\u00e1fico. Este problema afecta a Juniper Networks Junos OS versi\u00f3n 18.2 y versiones anteriores a 18.2R1-S2, 18.2R2 en la serie EX4300-MP. Este problema no afecta a ning\u00fan otro dispositivo de la serie EX."}], "id": "CVE-2019-0041", "lastModified": "2026-06-17T02:07:34.660", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "sirt@juniper.net", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-04-10T20:29:00.943", "references": [{"source": "sirt@juniper.net", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://kb.juniper.net/JSA10933"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://kb.juniper.net/JSA10933"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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