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.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pyftpdlib | G.rodola | * | 0.1.1 (including) |
| Pyftpdlib | G.rodola | 0.1 (including) | 0.1 (including) |