SmartFTP Client 10.0.2909.0 - 'Multiple' Denial of Service
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
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47791
- 2026-10-03 Alias added: GHSA-rx63-hxw9-f88f
References
Exploit 1
More Smartftp vulnerabilities
- 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
- CVE-2021-47791 · CVE Program
- CVE-2021-47791 · NVD
- FIRST EPSS
- GHSA-rx63-hxw9-f88f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences