CVE-2021-30866

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    CVE-2021-30866

    Published: 24 Aug 2021Last Modified: 10 Mar 2026

    Summary:

    Details: A user privacy issue was addressed by removing the broadcast MAC address. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. A device may be passively tracked by its WiFi MAC address.

    References: https://support.apple.com/en-us/HT212815, https://support.apple.com/en-us/HT212819, https://support.apple.com/kb/HT212869, , https://support.apple.com/en-us/HT212814

    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-2021-30866 | CVE-DB