PYSEC-2021-329

    Dashboard / Vulnerabilities / PYSEC-2021-329

    PYSEC-2021-329

    Published: 8 Sept 2021Last Modified: 10 Jun 2026

    Summary:

    Details: An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.

    References: https://launchpad.net/bugs/1942179, https://security.openstack.org/ossa/OSSA-2021-006.html, http://www.openwall.com/lists/oss-security/2021/09/09/2, https://github.com/advisories/GHSA-cpx3-696p-3cw9

    Affected packages

    Package

    Name: neutron

    Purl: pkg:pypi/neutron

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -16.4.1

    Affected versions

    0.0

    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
    PYSEC-2021-329 | CVE-DB