AI Score
Confidence
Low
EPSS
Percentile
77.0%
The POP3 server in FTGate returns an -ERR code after receiving an invalid USER request, which makes it easier for remote attackers to determine valid usernames and conduct brute force password guessing.
archives.neohapsis.com/archives/bugtraq/2000-06/0282.html
www.iss.net/security_center/static/4793.php