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    CVE-2021-43566

    All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed.

    Published:Jan 10, 2022
    Last Modified:Nov 21, 2024
    EPS:Jan 11, 2022
    EPSS Score:0.00224
    CVSS Score:2.5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Samba
    Product
    Samba

    Exploits

    https://bugzilla.samba.org/show_bug.cgi?id=13979https://bugzilla.samba.org/show_bug.cgi?id=13979

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    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