Is CVE-2009-4105 being actively exploited?

CVE-2009-4105 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-4105?

CVE-2009-4105 has a CVSS 2.0 base score of 3.5 (LOW).

CVE-2009-4105

LOW · CVSS 3.5EPSS 3.5%EU EUVD

TYPSoft FTP Server 1.10 allows remote authenticated users to cause a denial of service (crash) by sending an APPE (append) command immediately followed by a DELE (delete) command without sending file data in between these two commands.

Key facts

CVSS score: 3.5 (v2.0)
Severity: LOW
CVSS vector: AV:N/AC:M/Au:S/C:N/I:N/A:P
Weakness (CWE): CWE-20
EPSS score: 3.5% (89th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-4076)
Published: November 29, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4076 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

typsoft / typsoft ftp server

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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