{"action":"Upgrade strongswan to 5.3.1-1 or later.","affected":[{"fixed":"5.3.1-1","introduced":"0"}],"component":"strongswan","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.3.1-1"],"id":"tcs_01M5NB7KXMHE7GA2EN9MJR6S22","modified_at":"2026-09-09T06:47:32.456762502Z","published_at":"2015-06-10T18:59:09.097Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2015-4171","https://security-tracker.debian.org/tracker/CVE-2015-4171"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2015-4171#Debian:14/strongswan","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2015-4171"}],"summary":"strongSwan 4.3.0 through 5.x before 5.3.2 and strongSwan VPN Client before 1.4.6, when using EAP or pre-shared keys for authenticating an IKEv2 connection, does not enforce server authentication restr"}