CVE-2021-44141

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    CVE-2021-44141

    Published: 21 Feb 2022Last Modified: 8 Jul 2026

    Summary:

    Details: All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed.

    References: https://security.gentoo.org/glsa/202309-06, https://www.samba.org/samba/security/CVE-2021-44141.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -27bd8a323591486e76e916a6084c7300bf358eec

    Affected versions

    samba-4.15.4
    samba-4.15.3
    samba-4.15.2
    samba-4.15.1
    samba-4.15.0
    samba-4.15.0rc7
    samba-4.15.0rc6
    samba-4.15.0rc5
    samba-4.15.0rc4
    samba-4.15.0rc3
    samba-4.15.0rc2
    samba-4.15.0rc1

    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-2021-44141 | CVE-DB