CVE-2007-6738
pyftpdlib Use of Insufficiently Random Values of port selection on PASV command
CVE-2007-6738 is a medium vulnerability (CVSS 5.0) 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 1.13%, the 66th percentile. Fixed in pyftpdlib 0.1.1.
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 number of in-progress data connections by reading the response to this command.
Exploit likelihood
What each source reports
NVD Score used
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 number of in-progress data connections by reading the response to this command.
- Record
CVE-2007-6738- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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 number of in-progress data connections by reading the response to this command.
- Record
CVE-2007-6738- Updated
- 2026-11-02
EUVDEUVD-2010-0018 No score
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 number of in-progress data connections by reading the response to this command.
- Record
EUVD-2010-0018- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gh7c-cg3x-pmcr
pyftpdlib Use of Insufficiently Random Values of port selection on PASV command
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 number of in-progress data connections by reading the response to this command.
- Record
GHSA-gh7c-cg3x-pmcr- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-330
- Updated
- 2026-11-02
OSVGHSA-gh7c-cg3x-pmcr
pyftpdlib Use of Insufficiently Random Values of port selection on PASV command
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 number of in-progress data connections by reading the response to this command.
- Record
GHSA-gh7c-cg3x-pmcr- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-330
- Updated
- 2026-11-02
OSVPYSEC-2010-22 No score
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 number of in-progress data connections by reading the response to this command.
- Record
PYSEC-2010-22- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pyftpdlibPyPI |
before 0.1.1 | 0.1.1 |
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/browse/trunk/HISTORY
nvd.nist.gov/vuln/detail/CVE-2007-6738
github.com/giampaolo/pyftpdlib/commit/d171bdc4ef7ac769671946a8a3e5eaafc39a9202