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Medium

Directory Traversal in pyftpdlib

  • Disclosed: 19.10.2010
  • Updated: 11.10.2026 11:20

Python FTP server library provides a high-level portable interface to easily write very efficient, scalable and asynchronous FTP servers with Python. Multiple directory traversal vulnerabilities in FTPServer.py in pyftpdlib before 0.2.0 allow remote authenticated users to access arbitrary files and directories via a .. (dot dot) in a (1) LIST, (2) STOR, or (3) RETR command.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) pyftpdlib < 0.2.0 0.2.0

References

CVSS score 6.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-22
Platform
Python (PyPI)
Package
pyftpdlib
Disclosed
19.10.2010
Updated
11.10.2026 11:20

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2010-20 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-f8wg-36r9-7f4q - CC BY 4.0

Vulnerability history: pyftpdlib

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (14) in the archive
Total entries
14
First → latest
10.2010 10.2010
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 5
  • Medium 9

Disclosures per year

earlier: 14

Severity:
  1. pyftpdlib before 0.1.1 does not choose a random value for the port associated with the PASV command, which makes it easier for remote attackers to obtain potentially sensitive information about the nu
    High · 7.5 CVE-2007-6738 < 0.1.1 0.1.1
  2. Concurrent Execution using Shared Resource with Improper Synchronization in pyftpdlib
    High · 7.5 CVE-2010-3494 < 0.5.2 0.5.2
  3. Improper Access Control in pyftpdlib
    High CVE-2009-5012 < 0.5.2 0.5.2
  4. pyftpdlib vulnerable to allocation of resources without limits
    High · 6.5 CVE-2007-6740 < 0.2.0 0.2.0
  5. Improper Input Validation in pyftpdlib
    High · 7.5 CVE-2007-6739 < 0.2.0 0.2.0
  6. Directory Traversal in pyftpdlib this entry
    Medium · 6.3 CVE-2007-6736 < 0.2.0 0.2.0

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