Read the docs
TI-2021-22407 Aliases CVE-2021-47791GHSA-rx63-hxw9-f88f

SmartFTP Client 10.0.2909.0 - 'Multiple' Denial of Service

Priority MEDIUM 54CWE-770Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-770.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00518 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SmartftpSmartFTP Client10.0.2909.0 (32 and 64 bit)—No fix listedCNA
  • SmartFTP Client VendorSmartftp Affected 10.0.2909.0 (32 and 64 bit) Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:smartftp:smartftp:10.0.2909.0:*:*:*:*:*:*:*10.0.2909.0VulnerableSmartftp
  • cpe:2.3:a:smartftp:smartftp:10.0.2909.0:*:*:*:*:*:*:* Versions 10.0.2909.0 Vulnerable ·Smartftp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47791
  2. 2026-10-03 Alias added: GHSA-rx63-hxw9-f88f

References

  • TI-2018-15459 SmartFTP Client 9.0.2615.0 Denial of Service via Host Field CVSS 4.0MEDIUM 6.9
  • TI-2010-04594 Unspecified vulnerability in SmartFTP before 4.0 Build 1142 allows attackers to have an… CVSS 2.0HIGH 10.0
  • TI-2010-02961 Directory traversal vulnerability in SmartSoft Ltd SmartFTP Client 4.0.1124.0, and… CVSS 2.0HIGH 9.3
  • TI-2003-01219 Multiple buffer overflows in SmartFTP 1.0.973, and other versions before 1.0.976, allow… CVSS 2.0HIGH 7.6
  • TI-2007-00768 Heap-based buffer overflow in SmartFTP 2.0.1002 allows remote FTP servers to execute arbitrary code via a large banner. CVSS 2.0HIGH 7.5
  • TI-2010-04917 Untrusted search path vulnerability in SmartFTP 4.0.1140.0 allows local users to gain… CVSS 2.0MEDIUM 6.9

Sources