3.5
Advisory Published
Updated

CVE-2021-33594: F-Secure Safe browser for Android vulnerable to Address Bar Spoofing

First published: Wed Aug 11 2021(Updated: )

An address bar spoofing vulnerability was discovered in Safe Browser for Android. When user clicks on a specially crafted a malicious URL, it appears like a legitimate one on the address bar, while the content comes from other domain and presented in a window, covering the original content. A remote attacker can leverage this to perform address bar spoofing attack.

Credit: cve-notifications-us@f-secure.com

Affected SoftwareAffected VersionHow to fix
F-secure Safe<18.4.0

Remedy

Upgrade to version 18.4.x or newer from Google Play

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Frequently Asked Questions

  • What is CVE-2021-33594?

    CVE-2021-33594 is an address bar spoofing vulnerability discovered in Safe Browser for Android.

  • How does CVE-2021-33594 work?

    When a user clicks on a specially crafted malicious URL, it appears as a legitimate one in the address bar while showing content from another domain in a separate window.

  • Which software is affected by CVE-2021-33594?

    Safe Browser for Android versions up to 18.4.0 are affected by CVE-2021-33594.

  • What is the severity of CVE-2021-33594?

    CVE-2021-33594 has a severity level of low (3.5).

  • How can I fix CVE-2021-33594?

    To fix CVE-2021-33594, update Safe Browser for Android to a version above 18.4.0.

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