CVE-2021-40834

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{"affected": [{"affectedData": [{"platforms": ["Android"], "product": "F-Secure Mobile Security", "vendor": "F-Secure", "versions": [{"lessThan": "17.9*", "status": "affected", "version": "18.5x", "versionType": "custom"}]}], "source": "cve-notifications-us@f-secure.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:f-secure:safe:*:*:*:*:*:android:*:*", "matchCriteriaId": "0ECDAF3F-FF7E-46E1-AB62-8673A1256EA9", "versionEndIncluding": "17.9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A user interface overlay vulnerability was discovered in F-secure SAFE Browser for Android. When user click on a specially crafted seemingly legitimate URL SAFE browser goes into full screen and hides the user interface. A remote attacker can leverage this to perform spoofing attack."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad de superposici\u00f3n de la interfaz de usuario en F-secure SAFE Browser para Android. Cuando el usuario hace clic en una URL aparentemente leg\u00edtima especialmente dise\u00f1ada, el navegador SAFE pasa a pantalla completa y oculta la interfaz de usuario. Un atacante remoto puede aprovechar esto para llevar a cabo un ataque de suplantaci\u00f3n de identidad"}], "id": "CVE-2021-40834", "lastModified": "2026-06-17T04:07:30.460", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 3.4, "source": "cve-notifications-us@f-secure.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-10T14:15:10.093", "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/cve-2021-40834"}, {"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/cve-2021-40834"}], "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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