{
  "id": "CVE-2021-40834",
  "sourceIdentifier": "cve-notifications-us@f-secure.com",
  "published": "2021-12-10T14:15:10.093",
  "lastModified": "2021-12-14T17:06:24.867",
  "vulnStatus": "Analyzed",
  "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"
    }
  ],
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
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          "attackComplexity": "LOW",
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          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW",
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        "exploitabilityScore": 0.9,
        "impactScore": 3.4
      }
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        "type": "Primary",
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          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "value": "CWE-1021"
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  "references": [
    {
      "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": "cve-notifications-us@f-secure.com",
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}