{"action":"Upgrade neutron to 2:18.1.0-3 or later.","affected":[{"fixed":"2:18.1.0-3","introduced":"0"}],"component":"neutron","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2:18.1.0-3"],"id":"tcs_01M5NFYPR1JZWH4NZ4B9T2W302","modified_at":"2026-10-23T18:05:23.149260729Z","published_at":"2021-08-31T18:15:08.837Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-40085","https://security-tracker.debian.org/tracker/CVE-2021-40085"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-40085","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-40085"}],"summary":"An issue was discovered in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can reconfigure dnsmasq via a crafted extra_dhcp_opts value."}