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Vulnerability · Published Jul 25, 2023 · Assigned by redhat

CVE-2023-3637Openstack-neutron: unrestricted creation of security groups (fix for cve-2022-3277)

Medium 4.3

In plain English

A medium-severity uncontrolled resource consumption in Red Hat OpenStack Platform 13 (Queens) Operational Tools from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)1.3%top 29.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIneutronno fix listedGHSA-r3jh-qhgj-gvr8
PyPIneutronno fix listedPYSEC-2026-1694
Ubuntu:22.04:LTSneutronno fix listedUBUNTU-CVE-2023-3637
Ubuntu:24.04:LTSneutronno fix listedUBUNTU-CVE-2023-3637
Ubuntu:25.10neutronno fix listedUBUNTU-CVE-2023-3637
Ubuntu:26.04:LTSneutronno fix listedUBUNTU-CVE-2023-3637
Ubuntu:26.10neutronno fix listedUBUNTU-CVE-2023-3637

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat OpenStack Platform 16.2 see references
Red Hat Red Hat OpenStack Platform 13 (Queens) Operational Tools see references
Red Hat Red Hat OpenStack Platform 16.1 see references
Red Hat Red Hat OpenStack Platform 17.0 see references
Red Hat Red Hat OpenStack Platform 17.1 see references
Red Hat Red Hat OpenStack Platform 18.0 see references

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References