{"id":"CVE-2020-5221","details":"In uftpd before 2.11, it is possible for an unauthenticated user to perform a directory traversal attack using multiple different FTP commands and read and write to arbitrary locations on the filesystem due to the lack of a well-written chroot jail in compose_abspath(). This has been fixed in version 2.11","aliases":["GHSA-wmx8-v7mx-6x9h"],"modified":"2026-07-09T01:06:42.870337Z","published":"2020-01-22T19:15:13.127Z","references":[{"type":"FIX","url":"https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe"},{"type":"EVIDENCE","url":"https://github.com/troglobit/uftpd/security/advisories/GHSA-wmx8-v7mx-6x9h"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/troglobit/uftpd","events":[{"introduced":"0"},{"fixed":"6927628afa0d3ade8feb9fadd9672420cd2fbeb5"},{"fixed":"455b47d3756aed162d2d0ef7f40b549f3b5b30fe"}],"database_specific":{"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:troglobit:uftpd:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.11"}]}}],"versions":["v2.10","v2.9","v2.8","v2.7","v2.6","v2.5","v1.8","v1.7","v1.6","v1.5","v1.4","v1.3","v1.2","v1.1","v1.0","v0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5221.json","vanir_signatures_modified":"2026-07-09T01:06:42Z","vanir_signatures":[{"deprecated":false,"digest":{"line_hashes":["108229206972147259569248804372767412868","276360762841382069748424337075868013451","242312807191981524080516238265272007214","250357959569044888915036652998736230067"],"threshold":0.9},"id":"CVE-2020-5221-6bb940c7","signature_type":"Line","signature_version":"v1","source":"https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe","target":{"file":"src/common.c"}}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"}]}