CVE-2021-40978

    Dashboard / Vulnerabilities / CVE-2021-40978

    CVE-2021-40978

    Published: 7 Oct 2021Last Modified: 8 Jul 2026

    Summary:

    Details: The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive information. NOTE: the vendor has disputed this as described in https://github.com/mkdocs/mkdocs/issues/2601.] and https://github.com/nisdn/CVE-2021-40978/issues/1

    References: https://github.com/mkdocs/mkdocs, https://github.com/mkdocs/mkdocs/issues/2601, https://github.com/nisdn/CVE-2021-40978/issues/1, https://github.com/nisdn/CVE-2021-40978

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 52ed45a58cbec0d9860d13e5ac123d6fd14aeca6
    Fixed -None

    Affected versions

    1.2.2

    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-2021-40978 | CVE-DB