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    CVE-2021-20208

    A flaw was found in cifs-utils in versions before 6.13. A user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host. The highest threat from this vulnerability is to data confidentiality and integrity.

    Published:Apr 12, 2021
    Last Modified:Nov 21, 2024
    EPS:Apr 19, 2021
    EPSS Score:0.00275
    CVSS Score:6.1

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Samba
    Product
    Cifs-utils

    Exploits

    No exploit reference

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    References

    https://bugzilla.redhat.com/show_bug.cgi?id=1921116
    https://bugzilla.samba.org/show_bug.cgi?id=14651
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2W4HSDIWXXNQBUW5ZS37RQMLJ7THK5AS/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/66WJ3SVBHCSNQZAWSGLB6FBOCFU45FFG/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z4BZSJXROEFHYATAAHHRR6P3HUSMPQB3/
    https://bugzilla.redhat.com/show_bug.cgi?id=1921116
    https://bugzilla.samba.org/show_bug.cgi?id=14651
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2W4HSDIWXXNQBUW5ZS37RQMLJ7THK5AS/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/66WJ3SVBHCSNQZAWSGLB6FBOCFU45FFG/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z4BZSJXROEFHYATAAHHRR6P3HUSMPQB3/

    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