UBUNTU-CVE-2021-40084

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    UBUNTU-CVE-2021-40084

    Published: 25 Aug 2021Last Modified: 20 May 2026
    Upstream:

    Summary:

    Details: opensysusers through 0.6 does not safely use eval on files in sysusers.d that may contain shell metacharacters. For example, it allows command execution via a crafted GECOS field whereas systemd-sysusers (a program with the same specification) does not do that.

    Affected packages

    Package

    Name: opensysusers

    Purl: pkg:deb/ubuntu/opensysusers?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.5.1-1

    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
    UBUNTU-CVE-2021-40084 | CVE-DB