VULNERABILITY INTELLIGENCE

CVE-2000-1237

CVSS score5 MEDIUM
EPSS probability1.21%
CISA KEVNot currently listed
Published2000-12-31
Last modified2026-09-23
CVSS vectorAV:N/AC:L/Au:N/C:P/I:N/A:N

Description

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.

Primary references