CVE-2021-33596

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{"affected": [{"affectedData": [{"platforms": ["iOS"], "product": "F-Secure Mobile Security", "vendor": "F-Secure", "versions": [{"lessThan": "18.4x", "status": "affected", "version": "18.3x", "versionType": "custom"}]}], "source": "cve-notifications-us@f-secure.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:f-secure:safe:*:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "0D793BD2-1CBF-492B-823B-F8CB0FF45476", "versionEndExcluding": "18.4.272901", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Showing the legitimate URL in the address bar while loading the content from other domain. This makes the user believe that the content is served by a legit domain. Exploiting the vulnerability requires the user to click on a specially crafted, seemingly legitimate URL containing an embedded malicious redirect while using F-Secure Safe Browser for iOS."}, {"lang": "es", "value": "Mostrar la URL leg\u00edtima en la barra de direcciones mientras se carga el contenido de otro dominio. Esto hace creer al usuario que el contenido es servido por un dominio leg\u00edtimo. Una explotaci\u00f3n de la vulnerabilidad requiere al usuario hacer clic en una URL especialmente dise\u00f1ada, aparentemente leg\u00edtima, conteniendo una redirecci\u00f3n maliciosa insertada mientras se usa F-Secure Safe Browser for iOS"}], "id": "CVE-2021-33596", "lastModified": "2026-06-17T03:54:50.903", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 1.4, "source": "cve-notifications-us@f-secure.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-05T20:15:09.140", "references": [{"source": "cve-notifications-us@f-secure.com", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"}, {"source": "cve-notifications-us@f-secure.com", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories"}, {"source": "cve-notifications-us@f-secure.com", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596"}], "sourceIdentifier": "cve-notifications-us@f-secure.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1021"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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