CVE-2023-3637Openstack-neutron: unrestricted creation of security groups (fix for cve-2022-3277)
- 4.3MediumCVSS base score
- 1.3%Exploitation in 30 daysEPSS · top 29% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 13 days later
· 13 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
Red Hat · Red Hat OpenStack Platform 16.2
- unaffected 1:15.3.5-2.20230216175503.el8ost – < *
Red Hat · Red Hat OpenStack Platform 13 (Queens) Operational Tools
All versions: affected
Red Hat · Red Hat OpenStack Platform 16.1
All versions: unaffected
Red Hat · Red Hat OpenStack Platform 17.0
All versions: unaffected
Red Hat · Red Hat OpenStack Platform 17.1
All versions: unaffected
Red Hat · Red Hat OpenStack Platform 18.0
All versions: unaffected
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIneutronGHSA-r3jh-qhgj-gvr8 (opens in a new tab)
References
References3
- RHSA-2023:4283 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://access.redhat.com/security/cve/CVE-2023-3637 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2222270 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-2132 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-r3jh-qhgj-gvr8 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-3637)Record last updated .