CVE-2007-6737: n/a vulnerability

CVE-2007-6737: FTPServer.py in pyftpdlib before 0.2.0 does not increment the attempted_logins count for a USER command tha...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 17, 2024, 01:01 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw weakens login-throttling in old pyftpdlib FTP servers. Invalid usernames were not counted as failed login attempts, making password guessing easier for a remote attacker. The sources do not provide CVSS, confirmed affected deployments, or evidence of active exploitation. Exposure is limited to systems running pyftpdlib versions before 0.2.0, especially if the FTP service is reachable from untrusted networks. The supplied affected-product metadata is incomplete, so teams must confirm usage through dependency and runtime inventory. Treat this as a targeted hygiene issue for legacy FTP services. It is not KEV-listed and lacks severity scoring, but exposed outdated pyftpdlib could make credential attacks materially easier. Mitigation focus: Identify any pyftpdlib dependency or embedded FTP service using pyftpdlib.; Upgrade pyftpdlib to 0.2.0 or later where applicable.; Check project or vendor guidance for supported fixed versions..

Prepared: Jun 28, 2026, 01:40 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 19, 2010, 19:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

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Weakness

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