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TI-2023-03395 Aliases CVE-2023-3637GHSA-r3jh-qhgj-gvr8

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

Priority LOW 31CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 1 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-400.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01305 70th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Red HatRed Hat OpenStack Platform 16.2—1:15.3.5-2.20230216175503.el8ostPatch availableCNA
Red HatRed Hat OpenStack Platform 13 (Queens) Operational Tools——No fix listedCNA
Red HatRed Hat OpenStack Platform 16.1——Not affectedCNA
Red HatRed Hat OpenStack Platform 17.0——Not affectedCNA
Red HatRed Hat OpenStack Platform 17.1——Not affectedCNA
Red HatRed Hat OpenStack Platform 18.0——Not affectedCNA
—neutron (PyPI)up to 22.0.2—No fix listedGHSA-r3jh-qhgj-gvr8
  • Red Hat OpenStack Platform 16.2 VendorRed Hat Affected — Fixed in 1:15.3.5-2.20230216175503.el8ost Patch available CNA
  • Red Hat OpenStack Platform 13 (Queens) Operational Tools VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenStack Platform 16.1 VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenStack Platform 17.0 VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenStack Platform 17.1 VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenStack Platform 18.0 VendorRed Hat Affected — Fixed in — Not affected CNA
  • neutron (PyPI) Vendor— Affected up to 22.0.2 Fixed in — No fix listed GHSA-r3jh-qhgj-gvr8

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*13.0VulnerableRed Hat
cpe:2.3:a:redhat:openstack_platform:16.2:*:*:*:*:*:*:*16.2VulnerableRed Hat
  • cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:* Versions 13.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openstack_platform:16.2:*:*:*:*:*:*:* Versions 16.2 Vulnerable ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2023:4283 Released 2023-07-26 · Red Hat rating Moderate
    Red Hat OpenStack Platform 16.2 (openstack-neutron) security update
    • Red Hat OpenStack Platform 16.2 openstack-neutron-1:15.3.5-2.20230216175503.el8ost, openstack-neutron-common-1:15.3.5-2.20230216175503.el8ost, openstack-neutron-linuxbridge-1:15.3.5-2.20230216175503.el8ost +7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenStack Platform 13 (Queens) Operational ToolsAffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 16.2Fixed RHSA-2023:4283
Not affected: 4 products
  • Red Hat OpenStack Platform 16.1
  • Red Hat OpenStack Platform 17.0
  • Red Hat OpenStack Platform 17.1
  • Red Hat OpenStack Platform 18.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3637
  2. 2026-10-03 Alias added: GHSA-r3jh-qhgj-gvr8

References

Advisory 4

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
  • TI-2023-01529 Information leak in api CVSS 3.1HIGH 7.4
  • TI-2022-03027 Uncontrolled resource consumption in openstack-neutron CVSS 3.1MEDIUM 6.5
  • TI-2021-02596 Open redirect in openstack-nova CVSS 3.1MEDIUM 6.1
  • TI-2023-01565 A flaw was found in openvswitch (OVS). CVSS 3.1HIGH 8.2
See all 38 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences