SARA / Free Tools / CVE / CVE-2023-3637

CVE-2023-3637 — An uncontrolled resource consumption flaw was found in openstack-neutron

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

CVSS
4.3 MEDIUM
EPSS
17.00% (top 62.20%)
CWE
CWE-400
Published
2023-07-25T12:47:31.531Z
Last modified
2025-11-20T17:39:47.319Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
Red HatRed Hat OpenStack Platform 16.21:15.3.5-2.20230216175503.el8ost
Red HatRed Hat OpenStack Platform 13 (Queens) Operational Toolsunspecified
Red HatRed Hat OpenStack Platform 16.1unspecified
Red HatRed Hat OpenStack Platform 17.0unspecified
Red HatRed Hat OpenStack Platform 17.1unspecified
Red HatRed Hat OpenStack Platform 18.0unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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