In WS_FTP Server versions before 8.8.8 (2022.0.8), a Missing Critical Step in Multi-Factor Authentication of the Web Transfer Module allows users to skip the second-factor verification and log in with username and password only.
Exploitability
AV:NAC:LPR:HUI:NScope
S:UImpact
C:HI:HA:N6.5/CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N