{"action":"Upgrade neutron to 16.4.1 or later.","affected":[{"fixed":"16.4.1","introduced":"0"},{"fixed":"17.1.3","introduced":"17.0.0"},{"fixed":"18.1.0","introduced":"18.0.0"}],"component":"neutron","cve_ids":["CVE-2021-38598"],"ecosystem":"PyPI","epss":0.0122,"exploited":false,"fixed_versions":["16.4.1","17.1.3","18.1.0"],"ghsa_id":"GHSA-hvm4-mc7m-22w4","id":"tcs_01M5KGCK12353KPNHW81T94MPA","modified_at":"2026-06-10T17:02:23.748026526Z","published_at":"2021-08-23T05:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2021-360","https://launchpad.net/bugs/1938670","https://github.com/advisories/GHSA-hvm4-mc7m-22w4"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2021-360","url":"https://osv.dev/vulnerability/PYSEC-2021-360"}],"summary":"OpenStack Neutron before 16.4.1, 17.x before 17.1.3, and 18.0.0 allows hardware address impersonation when the linuxbridge driver with ebtables-nft is used on a Netfilter-based platform. By sending ca"}