What’s Vulnerable › Vulnerabilities

CVE-2023-3637: Openstack-neutron: unrestricted creation of security groups (fix for cve-2022-3277)

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-25 · updated 2026-06-17
• Weakness: CWE-400

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 products

• nova_libvirt container provided by the Red Hat OpenStack Platform: 13.0, 16.2

References

• https://access.redhat.com/errata/RHSA-2023:4283
• https://access.redhat.com/security/cve/CVE-2023-3637
• https://bugzilla.redhat.com/show_bug.cgi?id=2222270
• https://access.redhat.com/errata/RHSA-2023:4283
• https://access.redhat.com/security/cve/CVE-2023-3637
• https://bugzilla.redhat.com/show_bug.cgi?id=2222270

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