CVE-2023-3637

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

MEDIUM
6.5
CVSS Score
Published: July 25, 2023 at 12:47 PM UTC
Updated: June 17, 2026 at 06:14 AM UTC
1 product affected across 1 vendorOpenStack Platform

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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 16.1 (unaffected)
Vendor states this is fixed in 17.0 (unaffected)
Vendor states this is fixed in 17.1 (unaffected)
Vendor states this is fixed in 18.0 (unaffected)
Vendor states this is fixed in 1:15.3.5-2.20230216175503.el8ost (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

VDB Entryx_refsource_REDHATVendor Advisory
https://access.redhat.com/security/cve/CVE-2023-3637
Issue Trackingx_refsource_REDHATVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2222270

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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