CVE-2021-29959

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    CVE-2021-29959

    Published: 24 Jun 2021Last Modified: 10 Mar 2026

    Summary:

    Details: When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera. This vulnerability affects Firefox < 89.

    References: , https://www.mozilla.org/security/advisories/mfsa2021-23/, https://security.gentoo.org/glsa/202107-09, https://bugzilla.mozilla.org/show_bug.cgi?id=1395819

    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-2021-29959 | CVE-DB