View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2004-0042 not yet assigned priority: Debian including 1 source packages (vsftpd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to identify valid usernames.