CVE-2020-28864: Winscp

Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days.

Buffer overflow in WinSCP 5.17.8 allows a malicious FTP server to cause a denial of service or possibly have other unspecified impact via a long file name.

Affected products

• Winscp Winscp: version 5.17.8 only

Published 2020-11-23. Last modified 2026-06-17.