CVE-2007-6740
pyftpdlib vulnerable to allocation of resources without limits
CVE-2007-6740 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 1.75%, the 77th percentile. Fixed in pyftpdlib 0.2.0.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-6740- CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-6740- Updated
- 2026-11-02
EUVDEUVD-2010-0020 No score
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.
- Record
EUVD-2010-0020- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cx59-cp6c-9fr8
pyftpdlib vulnerable to allocation of resources without limits
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.
- Record
GHSA-cx59-cp6c-9fr8- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
OSVGHSA-cx59-cp6c-9fr8
pyftpdlib vulnerable to allocation of resources without limits
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.
- Record
GHSA-cx59-cp6c-9fr8- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
OSVPYSEC-2010-24 No score
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.
- Record
PYSEC-2010-24- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pyftpdlibPyPI |
before 0.2.0 | 0.2.0 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | affected, aliases, cwes, facts, references, title | GitHub Advisories, OSV |
| 2026-11-02 | created | CVE List, NVD |
References
code.google.com/p/pyftpdlib/source/diff?spec=svn37&r=37&format=side&path=/trunk/pyftpdlib/FTPServer.py
nvd.nist.gov/vuln/detail/CVE-2007-6740
github.com/giampaolo/pyftpdlib/issues/25