CVE-2021-33596

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    CVE-2021-33596

    Published: 5 Aug 2021Last Modified: 10 Mar 2026

    Summary:

    Details: 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.

    References: , https://www.f-secure.com/en/business/support-and-downloads/security-advisories, https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596, https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-33596 | CVE-DB