6.5

CVE-2023-3637: redhat openstack_platform Uncontrolled Resource Consumption

CVSS: 6.5v3.1MediumModified
AliasesGHSA-r3jh-qhgj-gvr8PYSEC-2026-1694RHSA-2023:4283
Published 25-07-2023Last modified 20-11-2025
Open JSON

Vulnerability summary

CVE-2023-3637 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in redhat openstack_platform. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-07-2023
    PublishedVulnerability first disclosed.
  2. 20-11-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.31%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

0.00 pp

From 1.31% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat11 products
  • openstack_platform13.0 | 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
  • openstack-neutron-macvtap-agent< 1:15.3.5-2.20230216175503.el8ost
PyPI1 product
  • neutron≤ 22.0.2
Ubuntu1 product
  • neutronAll versions (No fix recorded)

3 vendors · 13 products

References

11 links
Show all 11 references