What’s Vulnerable › Vulnerabilities

CVE-2020-36964: YATinyWinFTP - Denial of Service

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-28 · updated 2026-06-17
• Weakness: CWE-787

Description

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.

Affected products

• ik80 YATinyWinFTP: 0.0.5

References

• https://github.com/ik80/YATinyWinFTP
• https://www.exploit-db.com/exploits/49127
• https://www.vulncheck.com/advisories/yatinywinftp-denial-of-service
• https://www.exploit-db.com/exploits/49127

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