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.
Published: 2021-09-08
Score: 6.5 Medium
EPSS: 1.7% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

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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

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Subscriptions

Openstack Neutron
Redhat Openstack
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T02:51:07.481Z

Reserved: 2021-09-08T00:00:00.000Z

Link: CVE-2021-40797

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-09-08T20:15:11.060

Modified: 2026-06-17T04:07:27.940

Link: CVE-2021-40797

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-09-08T00:00:00Z

Links: CVE-2021-40797 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-770

    Allocation of Resources Without Limits or Throttling

  • CWE-772

    Missing Release of Resource after Effective Lifetime