CVE-2021-47791 MEDIUM

CVE-2021-47791: SmartFTP Client 10.0.2909.0 - 'Multiple' Denial of Service

Vendor Smartftp
Product SmartFTP Client
Weakness CWE-770 · Uncontrolled resource consumption
Published January 15, 2026
Last update January 16, 2026
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CVSS base score

4.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

SmartFTP Client 10.0.2909.0 contains multiple denial of service vulnerabilities that allow attackers to crash the application through specific input manipulation. Attackers can trigger crashes by entering malformed paths, using invalid IP addresses, or clearing connection history in the client's interface.

Key dates

02Disclosure timeline

January 15, 2026 CVE published
January 16, 2026 Record updated