CVE-2023-3637

mediumpriority · track · 26EPSS 0.013 · 70 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.31% (70th) EPSS

CVSS 6.5 · medium

Is it mine?

12 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · secalert@redhat.com USexploitability 2.8 · impact 1.4

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400US

affected products (12)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat OpenStack <16.1.9all versionscert_bundDE
Red Hat OpenStack <16.2.4all versionscert_bundDE
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Red Hat OpenStack< 16.1.9cert_bundDE
Red Hat OpenStack< 16.2.4cert_bundDE
Red Hat Red Hat OpenStack Platform 16.2< 1:15.3.5-2.20230216175503.el8ostenisa_euvdEU
redhat openstack platform= 13.0nvdUScpe:2.3:a:redhat:openstack_platform:*:*:*:*:*:*:*:*
redhat openstack platform= 16.2nvdUScpe:2.3:a:redhat:openstack_platform:*:*:*:*:*:*:*:*
PyPI neutron≤ 22.0.2osvUSpkg:pypi/neutron

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-2265Red Hat OpenStack: Mehrere SchwachstellenDeutsch2022-12-07csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat OpenStack ausnutzen, um die Verfügbarkeit, Vertraulichkeit und Integrität zu gefährden.
GHSA-r3jh-qhgj-gvr8Denial of service in neutron2023-07-25ghsa · osvUS
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.
PYSEC-2026-1694Denial of service in neutron2026-07-07vendor · osvUS
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.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2023-07-25modified 2026-06-17

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+9607 more

references (11)

External citations — patches, advisories, analysis.

scry

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