What is CVE-2022-3277?

CVE-2022-3277 is a medium-severity vulnerability in OpenStack Neutron, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2023-03-06.

How severe is CVE-2022-3277?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in OpenStack Neutron

CVE-2022-3277

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.

Vulnerability class: DoS (Denial of Service)

Published 2023-03-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.7th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

OpenStack Neutron
Red Hat OpenStack Platform — versions 13.0, 16.1, 16.2
Openstack-Neutron — versions As shipped with Red Hat Openstack 13, 16.1, and 16.2

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
bugs.launchpad.net/neutron/+bug/1988026 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2022-3277?: CVE-2022-3277 is a medium-severity vulnerability in OpenStack Neutron, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2023-03-06.
How severe is CVE-2022-3277?: Medium severity. CVSS v3 base score is 6.5 out of 10.