CVE-2023-3637

Name: CVE-2023-3637
Creator: NVD / NIST
Published: 2023-07-25T13:15:10.407+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2023-3637 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.97%

57.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Openstack Platform	13.0
Redhat	Openstack Platform	16.2

References

https://access.redhat.com/errata/RHSA-2023:4283Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-3637Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2222270Issue Tracking, Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:4283Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-3637Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2222270Issue Tracking, Vendor Advisory

Timeline

Published: Jul 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3637?

How severe is CVE-2023-3637?

CVE-2023-3637 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3637?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3637?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST