ProFTPD 1.2.x, including 1.2.8 and 1.2.10, responds in a different amount of time when a given username exists, which allows remote attackers to identify valid usernames by timing the server response.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17724
http://marc.info/?l=bugtraq&m=109786760926133&w=2
Source: Mitre, NVD
Published: 2004-10-15
Updated: 2024-02-15
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