CVE-2021-40797

openstack-neutron: Routes middleware memory leak for nonexistent controllers

Published Sep 8, 2021 CVSS 3.1 · 6.5 Medium EPSS 1.8% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-0143 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.
Github GHSA Github GHSA GHSA-cpx3-696p-3cw9 OpenStack Neutron Denial of Service vulnerability
Ubuntu USN Ubuntu USN USN-6067-1 OpenStack Neutron vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 2:51 AM
Reserved
Sep 8, 2021, 12:00 AM
Status
Modified
Published
Sep 8, 2021, 8:15 PM
Modified
Jun 17, 2026, 4:07 AM
Severity
Moderate
Public date
Sep 8, 2021, 12:00 AM