CVE-2021-3917

    Dashboard / Vulnerabilities / CVE-2021-3917

    CVE-2021-3917

    Published: 23 Aug 2022Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.

    References: https://bugzilla.redhat.com/show_bug.cgi?id=2018478, https://access.redhat.com/security/cve/CVE-2021-3917, https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c, https://github.com/coreos/fedora-coreos-tracker/issues/889

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -5906495eaa0d661019059c9d07872724d0e154ff

    Affected versions

    v0.7.1

    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
    CVE-2021-3917 | CVE-DB