CVE-2021-23972

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    CVE-2021-23972

    Published: 26 Feb 2021Last Modified: 10 Mar 2026

    Summary:

    Details: One phishing tactic on the web is to provide a link with HTTP Auth. For example 'https://[email protected]'. To mitigate this type of attack, Firefox will display a warning dialog; however, this warning dialog would not have been displayed if evil.com used a redirect that was cached by the browser. This vulnerability affects Firefox < 86.

    References: , https://security.gentoo.org/glsa/202104-10, https://www.mozilla.org/security/advisories/mfsa2021-07/, https://bugzilla.mozilla.org/show_bug.cgi?id=1683536

    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-2021-23972 | CVE-DB