BulletProof FTP Server 2019.0.0.50 contains a denial of service vulnerability in the SMTP configuration interface that allows local attackers to crash the application by supplying an oversized string. Attackers can input a buffer of 257 'A' characters in the SMTP Server field and trigger a crash by clicking the Test button.
https://www.vulncheck.com/advisories/bulletproof-ftp-server-denial-of-service-via-smtp
http://bpftpserver.com/products/bpftpserver/windows/download
Published: 2026-03-30
Updated: 2026-03-31
Base Score: 6.2
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:C
Severity: Medium
Base Score: 7.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Severity: High
Base Score: 6.8
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00012