CVE-2021-47791

4.6 mediumEPSS 0.5%

Medium (4.6) in smartftp smartftp. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

4.6 medium

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

CVSS 3.1

7.5 high

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWE: CWE-770
Published: 2026-01-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

smartftp:smartftp

References

https://www.exploit-db.com/exploits/50266
https://www.smartftp.com/en-us/
https://www.smartftp.com/en-us/download
https://www.vulncheck.com/advisories/smartftp-client-multiple-denial-of-service
https://www.exploit-db.com/exploits/50266

Check your stack JSON