FTPServer.py in pyftpdlib before 0.2.0 does not increment the attempted_logins count for…
Priority LOW 37CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-287.
Summary
FTPServer.py in pyftpdlib before 0.2.0 does not increment the attempted_logins count for a USER command that specifies an invalid username, which makes it easier for remote attackers to obtain access via a brute-force attack.
Why it matters now
EPSS 0.02111 81st percentileScored 2026-11-07
Fix Fixed pyftpdlib (PyPI): 0.2.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | pyftpdlib (PyPI) | before 0.2.0 | 0.2.0 | Patch available | GHSA-9x66-ghqx-8g5r |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- pyftpdlib (PyPI) Vendor— Affected before 0.2.0 Fixed in 0.2.0 Patch available GHSA-9x66-ghqx-8g5r
Remediation
- Fix · GHSA-9x66-ghqx-8g5r pyftpdlib (PyPI) Fixed in 0.2.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2007-6737
- 2026-10-03 Alias added: GHSA-9x66-ghqx-8g5r
References
Advisory 2
Other 7
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
- http://code.google.com/p/pyftpdlib/issues/detail?id=20
- http://code.google.com/p/pyftpdlib/source/diff?spec=svn23&r=23&format=side&path=/trunk/pyftpdlib/FTPServer.py
- http://code.google.com/p/pyftpdlib/source/detail?r=23
- https://github.com/giampaolo/pyftpdlib/issues/20
- https://github.com/giampaolo/pyftpdlib
- https://github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-21.yaml
More G.rodola Pyftpdlib vulnerabilities
- TI-2008-06949 ftpserver.py in pyftpdlib before 0.5.0 does not delay its response after receiving an… CVSS 2.0HIGH 7.5
- TI-2008-06948 Multiple directory traversal vulnerabilities in FTPServer.py in pyftpdlib before 0.3.0… CVSS 2.0MEDIUM 6.5
- TI-2007-06430 Multiple directory traversal vulnerabilities in FTPServer.py in pyftpdlib before 0.2.0… CVSS 2.0MEDIUM 6.5
- TI-2007-06435 The ftp_PORT function in FTPServer.py in pyftpdlib before 0.2.0 does not prevent TCP… CVSS 2.0MEDIUM 6.5
- TI-2007-06433 FTPServer.py in pyftpdlib before 0.2.0 allows remote attackers to cause a denial of service via a long command. CVSS 2.0MEDIUM 5.0
- TI-2007-06432 pyftpdlib before 0.1.1 does not choose a random value for the port associated with the… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2007-6737 · CVE Program
- CVE-2007-6737 · NVD
- FIRST EPSS
- GHSA-9x66-ghqx-8g5r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences