CVE-2021-20218

    Dashboard / Vulnerabilities / CVE-2021-20218

    CVE-2021-20218

    Published: 16 Mar 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2

    References: https://bugzilla.redhat.com/show_bug.cgi?id=1923405, https://github.com/fabric8io/kubernetes-client/issues/2715

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 6a4ed988a3c7f013e5173cf69252a7272471535d
    Fixed -c9d712ecfa82d3537912bff5d108aa601e7f0109

    Affected versions

    v4.11.1
    v4.11.0

    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-2021-20218 | CVE-DB