{"id":"CVE-2009-5012","aliases":["GHSA-h4g7-8m7r-87r9","PYSEC-2010-9"],"url":"https://o3.security/vulnerability/CVE-2009-5012","summary":"Improper Access Control in pyftpdlib","details":"ftpserver.py in pyftpdlib before 0.5.2 does not require the l permission for the MLST command, which allows remote authenticated users to bypass intended access restrictions and list the root directory via an FTP session.","published":"2010-10-19T20:00:03Z","modified":"2026-04-10T03:41:03.606719Z","cvss":null,"epss":{"score":0.01012,"percentile":0.60555,"asOf":"2026-08-22"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"pyftpdlib","fixedVersion":"0.5.2"}],"fix":null,"references":[{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/issues/detail?id=114"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/detail?r=596"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/diff?spec=svn596&r=596&format=side&path=/trunk/pyftpdlib/ftpserver.py"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:41:03.606719Z"}}