{"action":"Upgrade openvpn to 2.5.6-1 or later.","affected":[{"fixed":"2.5.6-1","introduced":"0"}],"component":"openvpn","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.5.6-1"],"id":"tcs_01M5NGAHS7EB8DBE7MGAYN8XFE","modified_at":"2026-10-15T08:01:14.381875749Z","published_at":"2022-03-18T18:15:12.017Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-0547","https://security-tracker.debian.org/tracker/CVE-2022-0547"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-0547","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-0547"}],"summary":"OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an exter"}