CVE-2020-36964 HIGH

CVE-2020-36964: YATinyWinFTP - Denial of Service

Vendor Ik80
Product YATinyWinFTP
Weakness CWE-787
Published January 28, 2026
Last update January 29, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

YATinyWinFTP contains a denial of service vulnerability that allows attackers to crash the FTP service by sending a 272-byte buffer with a trailing space. Attackers can exploit the service by connecting and sending a malformed command that triggers a buffer overflow and service crash.

Key dates

02Disclosure timeline

January 28, 2026 CVE published
January 29, 2026 Record updated