CVE-2020-36964
CRITICAL
2026-01-28
[email protected]
9.8
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 29, 2026 - 19:16 vuln.today
Public exploit code
CVE Published
Jan 28, 2026 - 18:16 nvd
CRITICAL 9.8
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.
Analysis
YATinyWinFTP has a denial of service vulnerability allowing remote attackers to crash the FTP service by sending a 272-byte crafted packet.
Technical Context
YATinyWinFTP has a CWE-787 out-of-bounds write vulnerability triggered by a specific 272-byte network packet, causing the FTP server to crash immediately.
Affected Products
['YATinyWinFTP']
Remediation
Replace with a more robust FTP server. YATinyWinFTP is not suitable for production use.
Priority Score
69
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +49
POC: +20
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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