{"id":"USN-6379-1","summary":"vsftpd vulnerability","details":"It was discovered that vsftpd was vulnerable to the ALPACA TLS protocol\ncontent confusion attack. A remote attacker could possibly use this issue\nto redirect traffic from one subdomain to another.\n","modified":"2026-02-10T04:43:19Z","published":"2023-09-18T13:38:36Z","related":["UBUNTU-CVE-2021-3618"],"upstream":["CVE-2021-3618","UBUNTU-CVE-2021-3618"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6379-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3618"}],"affected":[{"package":{"name":"vsftpd","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/vsftpd@3.0.5-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.5-0ubuntu0.20.04.1"}]}],"versions":["3.0.3-12"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.0.5-0ubuntu0.20.04.1","binary_name":"vsftpd"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2021-3618"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6379-1.json"}}],"schema_version":"1.7.3"}