CVE-2022-3277

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-06 · updated 2026-06-17
Weakness: CWE-400

Description

An uncontrolled resource consumption flaw was found in openstack-neutron. This flaw allows a remote authenticated user to query a list of security groups for an invalid project. This issue creates resources that are unconstrained by the user's quota. If a malicious user were to submit a significant number of requests, this could lead to a denial of service.

Affected products

OpenStack Neutron: before 18.6.0; from 19.0.0 before 19.5.0 — fixed in 18.6.0, 19.5.0
nova_libvirt container provided by the Red Hat OpenStack Platform: 13.0, 16.1, 16.2

How to fix

Upgrade to a fixed version: OpenStack Neutron 18.6.0, 19.5.0. Check the vendor advisory for mitigations.

References

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