{"id":"CVE-2021-40491","details":"The ftp client in GNU Inetutils before 2.2 does not validate addresses returned by PASV/LSPV responses to make sure they match the server address. This is similar to CVE-2020-8284 for curl.","modified":"2026-04-02T07:33:50.582269Z","published":"2021-09-03T02:15:06.403Z","references":[{"type":"ADVISORY","url":"https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html"},{"type":"ADVISORY","url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html"},{"type":"FIX","url":"https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://cgit.git.savannah.gnu.org/cgit/inetutils.git","events":[{"introduced":"0"},{"fixed":"58cb043b190fd04effdaea7c9403416b436e50dd"}]},{"type":"GIT","repo":"https://cgit.git.savannah.gnu.org/cgit/inetutils.git","events":[{"introduced":"0"},{"fixed":"58cb043b190fd04effdaea7c9403416b436e50dd"}]}],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"2.2"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"fixed":"2.2"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40491.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"}]}