{"cve":"CVE-2016-5363","nvd":{"published":"2016-06-17T15:59:04.320","modified":"2026-06-17T00:49:17.320","status":"Modified","description":"The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via (1) a crafted DHCP discovery message or (2) crafted non-IP traffic.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","score":8.2},"cwes":["CWE-254"],"references":["http://www.openwall.com/lists/oss-security/2016/06/10/5","http://www.openwall.com/lists/oss-security/2016/06/10/6","https://access.redhat.com/errata/RHSA-2016:1473","https://access.redhat.com/errata/RHSA-2016:1474","https://bugs.launchpad.net/neutron/+bug/1558658"],"products":["openstack:neutron"],"source":"nvd","synced_at":"2026-10-19T20:38:51.654415212+00:00"},"epss":{"cve":"CVE-2016-5363","score":0.03266,"percentile":0.88391,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9pp3-cvmq-9p22","url":"https://osv.dev/vulnerability/GHSA-9pp3-cvmq-9p22","summary":"OpenStack Neutron Intended MAC-spoofing protection mechanism bypass","modified":"2026-07-07T11:56:40.948815627Z","packages":[{"ecosystem":"PyPI","name":"neutron","purl":"pkg:pypi/neutron","ranges":["<7.1.0"],"fixed":["7.1.0"]},{"ecosystem":"PyPI","name":"neutron","purl":"pkg:pypi/neutron","ranges":[">=8.0.0 <8.1.0"],"fixed":["8.1.0"]}]},{"id":"PYSEC-2026-852","url":"https://osv.dev/vulnerability/PYSEC-2026-852","summary":"OpenStack Neutron Intended MAC-spoofing protection mechanism bypass","modified":"2026-07-07T11:46:06.844278785Z","packages":[{"ecosystem":"PyPI","name":"neutron","purl":"pkg:pypi/neutron","ranges":["<7.1.0",">=8.0.0 <8.1.0"],"fixed":["7.1.0","8.1.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}