CVE-2009-5012
Improper Access Control in pyftpdlib
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-5012- CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-5012- Updated
- 2026-11-02
EUVDEUVD-2010-0027 No score
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.
- Record
EUVD-2010-0027- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h4g7-8m7r-87r9
Improper Access Control in pyftpdlib
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.
- Record
GHSA-h4g7-8m7r-87r9- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSVGHSA-h4g7-8m7r-87r9
Improper Access Control in pyftpdlib
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.
- Record
GHSA-h4g7-8m7r-87r9- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2009-5012- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-5012 No score
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.
- Record
DEBIAN-CVE-2009-5012- Updated
- 2026-11-02
OSVPYSEC-2010-9 No score
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.
- Record
PYSEC-2010-9- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pyftpdlibPyPI |
through 0.5.1 | 0.5.2 |
python-pyftpdlibDebian:12 |
before 0.5.2-1 | 0.5.2-1 |
python-pyftpdlibDebian:13 |
before 0.5.2-1 | 0.5.2-1 |
python-pyftpdlibDebian:14 |
before 0.5.2-1 | 0.5.2-1 |
pyftpdlibPyPI |
before 0.5.2, plus listed versions 0.2.00.3.00.4.00.5.00.5.1 |
0.5.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-5012 is a medium vulnerability (CVSS 4.0) in G.rodola Pyftpdlib, published October 19, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. Fixed in pyftpdlib 0.5.2.
References
code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
nvd.nist.gov/vuln/detail/CVE-2009-5012
github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-9.yaml
security-tracker.debian.org/tracker/CVE-2009-5012