Description
Serv-U FTP Server allows remote attackers to bypass its anti-hammering feature by first logging on as a valid user (possibly anonymous) and then attempting to guess the passwords of other users.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Cat Soft Serv-U FTP Server 2.5.x - Brute Force EDB-20334 · remote · Oct 29, 2000 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- ftp-servu-brute-force(5436) vdb-entry
- 20001029 Brute Forcing FTP Servers with enabled anti-hammering (anti brute-force) modus mailing-list
- 1860 vdb-entry