CVE-2021-47791

SmartFTP Client 10.0.2909.0 - 'Multiple' Denial of Service

Published Jan 15, 2026 CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:smartftp:smartftp:10.0.2909.0:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Smartftp
Smartftp smartftp
Vendors & Products Smartftp
Smartftp smartftp
Type Values Removed Values Added
Description 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.
Title SmartFTP Client 10.0.2909.0 - 'Multiple' Denial of Service
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 4.6, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jan 16, 2026, 9:12 PM
Reserved
Jan 14, 2026, 2:39 PM
Status
Analyzed
Published
Jan 16, 2026, 12:16 AM
Modified
Jun 17, 2026, 4:18 AM