Moderate severityNVD Advisory· Published Oct 19, 2010· Updated Jun 16, 2026
CVE-2007-6741
CVE-2007-6741
Description
The ftp_PORT function in FTPServer.py in pyftpdlib before 0.2.0 does not prevent TCP connections to privileged ports if the destination IP address matches the source IP address of the connection from the FTP client, which might allow remote authenticated users to conduct FTP bounce attacks via crafted FTP data, as demonstrated by an FTP bounce attack against a NAT server, a related issue to CVE-1999-0017.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
pyftpdlibPyPI | < 0.2.0 | 0.2.0 |
Affected products
3Patches
Vulnerability mechanics
References
8- github.com/advisories/GHSA-8xgx-75qw-6268ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2007-6741ghsaADVISORY
- code.google.com/p/pyftpdlib/issues/detailnvdWEB
- code.google.com/p/pyftpdlib/source/browse/trunk/HISTORYnvdWEB
- code.google.com/p/pyftpdlib/source/detailnvdWEB
- code.google.com/p/pyftpdlib/source/diffnvdWEB
- github.com/giampaolo/pyftpdlib/issues/11ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-25.yamlghsaWEB
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