CVE-2021-47791 - CVE House
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Status published Medium CVE-2021-47791

SmartFTP Client 10.0.2909.0 - 'Multiple' Denial of Service

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Eric Salario

References

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CVE-2018-25234
SmartFTP Client 9.0.2615.0 Denial of Service via Host Field
Medium 6.9

Affected Vendor

Affected Software

SmartFTP Client
Vulnerable Versions:
10.0.2909.0 (32 and 64 bit)

Timeline

Official Publish: January 15th, 2026
Last Modified: January 16th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-770

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery