Is CVE-2009-4593 being actively exploited?

CVE-2009-4593 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-4593?

CVE-2009-4593 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2009-4593

MEDIUM · CVSS 5.0EPSS 1.4%EU EUVD

The bftpdutmp_log function in bftpdutmp.c in Bftpd before 2.4 does not place a '\0' character at the end of the string value of the ut.bu_host structure member, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors. NOTE: some of these details are obtained from third party information.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score: 1.4% (73th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-4559)
Published: January 7, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4559 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd
jesse smith / bftpd

References

http://bftpd.sourceforge.net/downloads/CHANGELOG
http://bftpd.sourceforge.net/news.html#032130(Patch)
http://secunia.com/advisories/37185(Vendor Advisory)
http://www.securityfocus.com/bid/36820(Patch)
http://www.vupen.com/english/advisories/2009/3032(Patch, Vendor Advisory)

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

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