CVE-2007-6737 json
Improper Authentication in pyftpdlib
published 2010-10-19 16 y ago modified 2026-06-16 4 mo ago also GHSA-9x66-ghqx-8g5r , PYSEC-2010-21 , EUVD-2010-0017
- cvss
- 7.3
- version 3.1, GitHub
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
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.
Patch / fix
- pypi pyftpdlib 0.2.0
Exploit prediction
2.11% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | pyftpdlib | <0.2.0 |
0.2.0 |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
code.google.com
/p/pyftpdlib/source/browse/trunk/HISTORY
web
-
code.google.com
/p/pyftpdlib/issues/detail?id=20
web
-
code.google.com
/p/pyftpdlib/source/diff?spec=svn23&r=23&format=side&path=/trunk/pyftpdlib/FTPServer.py
web
-
code.google.com
/p/pyftpdlib/source/detail?r=23
web
-
nvd.nist.gov
/vuln/detail/CVE-2007-6737
advisory
-
github.com
/giampaolo/pyftpdlib/issues/20
web
-
github.com
/advisories/GHSA-9x66-ghqx-8g5r
advisory
-
github.com
/giampaolo/pyftpdlib
package
-
github.com
/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-21.yaml
web
Sources
- CVE List CVE-2007-6737
- GitHub Advisory GHSA-9x66-ghqx-8g5r
- NVD CVE-2007-6737
- OSV PYSEC-2010-21
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.