{"id":"CVE-2007-6740","aliases":["EUVD-2010-0020","GHSA-cx59-cp6c-9fr8","PYSEC-2010-24"],"status":"published","title":"pyftpdlib vulnerable to allocation of resources without limits","description":"The ftp_STOU function in FTPServer.py in pyftpdlib before 0.2.0 does not limit the number of attempts to discover a unique filename, which might allow remote authenticated users to cause a denial of service via a STOU command.","severity":{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01748,"percentile":0.77991,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264","CWE-770"],"published":"2010-10-19T19:00:00Z","modified":"2026-06-16T22:48:40Z","fixes":[{"ecosystem":"PyPI","package":"pyftpdlib","fixed_in":["0.2.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"pyftpdlib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"pyftpdlib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"pyftpdlib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.0"}]}]}],"products":[{"vendor":"g.rodola","product":"pyftpdlib"}],"references":[{"url":"http://code.google.com/p/pyftpdlib/source/diff?spec=svn37\u0026r=37\u0026format=side\u0026path=/trunk/pyftpdlib/FTPServer.py","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://code.google.com/p/pyftpdlib/source/detail?r=37","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://code.google.com/p/pyftpdlib/issues/detail?id=25","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-6740","tags":["advisory"]},{"url":"https://github.com/giampaolo/pyftpdlib/issues/25","tags":["web"]},{"url":"https://github.com/advisories/GHSA-cx59-cp6c-9fr8","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-24.yaml","tags":["web"]},{"url":"https://github.com/giampaolo/pyftpdlib","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2007-6740","description":"The ftp_STOU function in FTPServer.py in pyftpdlib before 0.2.0 does not limit the number of attempts to discover a unique filename, which might allow remote authenticated users to cause a denial of service via a STOU command.","status":"published","published":"2010-10-19T19:00:00Z","modified":"2024-09-17T04:20:25.031Z","updated_at":"2026-11-02T13:33:07.91528Z"}],"euvd":[{"id":"EUVD-2010-0020","description":"The ftp_STOU function in FTPServer.py in pyftpdlib before 0.2.0 does not limit the number of attempts to discover a unique filename, which might allow remote authenticated users to cause a denial of service via a STOU command.","status":"published","published":"2010-10-19T19:00:00Z","modified":"2024-09-17T04:20:25Z","updated_at":"2026-11-03T00:28:23.906788Z"}],"ghsa":[{"id":"GHSA-cx59-cp6c-9fr8","title":"pyftpdlib vulnerable to allocation of resources without limits","description":"The ftp_STOU function in FTPServer.py in pyftpdlib before 0.2.0 does not limit the number of attempts to 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