{"id":"ALPINE-CVE-2021-45079","details":"In strongSwan before 5.9.5, a malicious responder can send an EAP-Success message too early without actually authenticating the client and (in the case of EAP methods with mutual authentication and EAP-only authentication for IKEv2) even without server authentication.","modified":"2026-09-15T08:17:46.703362039Z","published":"2022-01-31T08:15:07.307Z","upstream":["CVE-2021-45079"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-45079"}],"affected":[{"package":{"name":"strongswan","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r3"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.2"},{"fixed":"5.9.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45079.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}