{"id":"DEBIAN-CVE-2015-4171","details":"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 restrictions until the entire authentication process is complete, which allows remote servers to obtain credentials by using a valid certificate and then reading the responses.","modified":"2026-09-09T06:47:32.456762502Z","published":"2015-06-10T18:59:09.097Z","upstream":["CVE-2015-4171"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2015-4171"}],"affected":[{"package":{"name":"strongswan","ecosystem":"Debian:12","purl":"pkg:deb/debian/strongswan?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-4171.json"}},{"package":{"name":"strongswan","ecosystem":"Debian:13","purl":"pkg:deb/debian/strongswan?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-4171.json"}},{"package":{"name":"strongswan","ecosystem":"Debian:14","purl":"pkg:deb/debian/strongswan?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-4171.json"}}],"schema_version":"1.9.0"}