{"id":"CVE-2023-3637","aliases":["PYSEC-2026-1694"],"url":"https://o3.security/vulnerability/CVE-2023-3637","summary":"Denial of service in neutron","details":"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.","published":"2023-07-25T15:30:25Z","modified":"2026-09-10T03:50:02.577902185Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"neutron","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3637"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2023:4283"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2023-3637"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2222270"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:50:02.577902185Z"}}