CVE-2021-21296

    Dashboard / Vulnerabilities / CVE-2021-21296

    CVE-2021-21296

    Published: 10 Feb 2021Last Modified: 9 Jul 2026

    Summary:

    Details: Fleet is an open source osquery manager. In Fleet before version 3.7.0 a malicious actor with a valid node key can send a badly formatted request that causes the Fleet server to exit, resulting in denial of service. This is possible only while a live query is currently ongoing. We believe the impact of this vulnerability to be low given the requirement that the actor has a valid node key. There is no information disclosure, privilege escalation, or code execution. The issue is fixed in Fleet 3.7.0.

    References: https://github.com/fleetdm/fleet/security/advisories/GHSA-xwh8-9p3f-3x45, https://www.npmjs.com/package/fleetctl, https://github.com/fleetdm/fleet/commit/f68f4238e83b45b2164e4ed05df14af0f06eaf40

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -bb89099511829bf37119122bea4c209a662c1e71

    Affected versions

    3.6.0

    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-2021-21296 | CVE-DB