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"18DB9401-5A51-4BB3-AC2F-58F58F1C788C", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:20.2:r1-s3:*:*:*:*:*:*", "matchCriteriaId": "06F53DA5-59AE-403C-9B1E-41CE267D8BB1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The improper handling of client-side parameters in J-Web of Juniper Networks Junos OS allows an attacker to perform a number of different malicious actions against a target device when a user is authenticated to J-Web. An attacker may be able to supersede existing parameters, including hardcoded parameters within the HTTP/S session, access and exploit variables, bypass web application firewall rules or input validation mechanisms, and otherwise alter and modify J-Web's normal behavior. An attacker may be able to transition victims to malicious web services, or exfiltrate sensitive information from otherwise secure web forms. This issue affects: Juniper Networks Junos OS: All versions prior to 17.4R3-S3; 18.1 versions prior to 18.1R3-S12; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R3-S6; 19.1 versions prior to 19.1R3-S4; 19.2 versions prior to 19.2R3-S1; 19.3 versions prior to 19.3R3-S1; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2."}, {"lang": "es", "value": "El manejo inapropiado de los par\u00e1metros client-side en J-Web de Juniper Networks Junos OS, permite a un atacante llevar a cabo una serie de diferentes acciones maliciosas contra un dispositivo objetivo cuando un usuario est\u00e1 autenticado en J-Web.&#xa0;Un atacante puede ser capaz de reemplazar los par\u00e1metros existentes, incluyendo los par\u00e1metros embebidos dentro de la sesi\u00f3n HTTP/S, las variables de acceso y explotaci\u00f3n, la omisi\u00f3n de las reglas de firewall de aplicaciones web o los mecanismos de comprobaci\u00f3n de entrada, y de otro modo alterar y modificar el comportamiento normal de J-Web.&#xa0;Un atacante puede ser capaz de transferir a las v\u00edctimas a servicios web maliciosos o exfiltrar informaci\u00f3n confidencial de formularios web que de otro modo ser\u00edan seguros.&#xa0;Este problema afecta a: Juniper Networks Junos OS: todas las versiones anteriores a 17.4R3-S3;&#xa0;versiones 18.1 anteriores a 18.1R3-S12;&#xa0;versiones 18.2 anteriores a 18.2R3-S6;&#xa0;versiones 18.3 anteriores a 18.3R3-S4;&#xa0;versiones 18.4 anteriores a 18.4R3-S6;&#xa0;versiones 19.1 anteriores a 19.1R3-S4;&#xa0;versiones 19.2 anteriores a 19.2R3-S1;&#xa0;versiones 19.3 anteriores a 19.3R3-S1;&#xa0;versiones 19.4 anteriores a 19.4R2-S2, 19.4R3;&#xa0;versiones 20.1 anteriores a 20.1R2;&#xa0;versiones 20.2 anteriores a 20.2R2"}], "id": "CVE-2021-0269", "lastModified": "2024-11-21T05:42:21.877", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2021-04-22T20:15:09.980", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11160"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11160"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-233"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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