CVE-2021-40797

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability78. percentile1.8%
ProductOpenstack Neutron
PublishedSep 8, 2021
First seenSep 8, 2021

How to fix

Update
  • openstack neutron16.4.1, 17.2.1, 18.1.1 or later
  • neutron16.4.1, 17.2.1, 18.1.1 or later

Affected products

ProductAffected versionsFixed in
openstack neutronv < 16.4.1, 17.0.0 ≤ v < 17.2.1, 18.0.0 ≤ v < 18.1.116.4.1, 17.2.1, 18.1.1
neutronPyPIv < 16.4.1, 17.0.0 ≤ v < 17.2.1, 18.0.0 ≤ v < 18.1.116.4.1, 17.2.1, 18.1.1

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