PT-2026-5156 · Ik80 · Yatinywinftp

Strider · Published 2026-01-28 · Updated 2026-01-28 · CVE-2020-36964

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions YATinyWinFTP (affected versions not specified)

Description A denial of service issue exists where attackers can crash the FTP service by connecting and sending a malformed command. Specifically, sending a 272-byte buffer with a trailing space triggers a buffer overflow, leading to a service crash.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-36964

Affected Products

Yatinywinftp

References · 5

• 🔥 https://exploit-db.com/exploits/49127 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-36964 · Security Note
• https://osv.dev/vulnerability/CVE-2020-36964 · Vendor Advisory
• https://github.com/ik80/YATinyWinFTP · Note
• https://vulncheck.com/advisories/yatinywinftp-denial-of-service · Note