Python · Pyftpdlib · CVE-2007-6737
**Name of the Vulnerable Software and Affected Versions**
pyftpdlib versions prior to 0.2.0
**Description**
The issue allows remote attackers to more easily gain access through a brute-force attack because the attempted logins count is not incremented for a USER command with an invalid username.
**Recommendations**
For versions prior to 0.2.0, update to version 0.2.0 or later to resolve the issue.