ioFTPD 0.5.84 u responds with different messages depending on whether or not a username exists, which allows remote attackers to enumerate valid usernames.
http://www.securityfocus.com/bid/15253
http://www.security.nnov.ru/Kdocument79.html
http://www.osvdb.org/22709
http://www.critical.lt/?vulnerabilities/119
Source: Mitre, NVD
Published: 2005-12-31
Updated: 2026-06-16
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.00438