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The weakness can be exploited to facilitate cross-site scripting (XSS), cookie manipulation (modifying session cookies, stealing cookies) and more. This weakness can also be exploited by directing a user to a seemingly legitimate link from the affected site. The attacker requires no special access or permissions to the device to carry out such attacks. This issue affects: Juniper Networks Junos OS: 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S5; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3; 18.4 versions prior to 18.4R2-S5, 18.4R3-S3; 19.1 versions prior to 19.1R2-S2, 19.1R3-S2; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2, 19.4R3; 20.1 versions prior to 20.1R1-S2, 20.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 18.1R1."}, {"lang": "es", "value": "Una Neutralizaci\u00f3n Inapropiada de las Secuencias CRLF en una debilidad de los Encabezados HTTP (''HTTP Response Splitting\") en J-web del Sistema Operativo Juniper Networks Junos conlleva a unos desbordamientos de b\u00fafer, fallos de segmento u otros impactos, permitiendo a un atacante modificar la integridad del dispositivo y informaci\u00f3n de exfiltraci\u00f3n del dispositivo sin autenticaci\u00f3n.&#xa0;La debilidad puede ser explotada para facilitar el ataque de tipo cross-site scripting (XSS), la manipulaci\u00f3n de cookies (modificaci\u00f3n de cookies de sesi\u00f3n, robo de cookies) y m\u00e1s.&#xa0;Esta debilidad tambi\u00e9n puede ser explotada al direccionar a un usuario hacia un enlace aparentemente leg\u00edtimo del sitio afectado.&#xa0;El atacante no requiere acceso o permisos especiales al dispositivo para llevar a cabo tales ataques.&#xa0;Este problema afecta a: Juniper Networks Junos OS: versiones 18.1 anteriores a 18.1R3-S11;&#xa0;versiones 18.2 anteriores a 18.2R3-S5;&#xa0;versiones 18.3 anteriores a 18.3R2-S4, 18.3R3-S3;&#xa0;versiones 18.&#xa0;4 anteriores a 18.4R2-S5, 18.4R3-S3;&#xa0;versiones 19.1 anteriores a 19.1R2-S2, 19.1R3-S2;&#xa0;versiones 19.2 anteriores a 19.2R1-S5, 19.2R2;&#xa0;versiones 19.3 anteriores a 19.3R3;&#xa0;versiones 19.4 anteriores a 19.4R1-S3, 19.4R2, 19.4R3;&#xa0;versiones 20.1 anteriores a 20.1R1-S2, 20.1R2.&#xa0;Este problema no afecta a las versiones de Juniper Networks Junos OS versiones anteriores a 18.1R1"}], "id": "CVE-2021-0268", "lastModified": "2024-11-21T05:42:21.720", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.3, "source": "sirt@juniper.net", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.8, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-22T20:15:09.943", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11159"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11159"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-113"}, {"lang": "en", "value": "CWE-120"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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