Buffer overflow in Labtam ProFTP 2.9 allows remote FTP servers to cause a denial of service (application crash) or execute arbitrary code v…

published 2009-11-18 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3947

cvss: 9.3; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 28.3%; EPSS 28.3% chance of exploitation in 30 days, percentile 98%
public exploits: 3; Metasploit, Exploit-DB

Buffer overflow in Labtam ProFTP 2.9 allows remote FTP servers to cause a denial of service (application crash) or execute arbitrary code via a long 220 reply (aka connection greeting or welcome message).

Timeline

2009-08-25 First public exploit (Metasploit exploit/windows/ftp/proftp_banner)
2009-11-18 Published

Exploit prediction

28.28% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit exploit/windows/ftp/proftp_banner ProFTP 2.9 Banner Remote Buffer Overflow metasploit exploit, normal rank, 2009-08-25
EDB-16709 ProFTP 2.9 - Banner Remote Buffer Overflow (Metasploit) remote, 2010-07-03
EDB-9508 ProFTP 2.9 - Welcome Message Remote Buffer Overflow (Metasploit) remote, 2009-08-25
securityfocus.com http://www.securityfocus.com/bid/36128 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

exploit-db.com /exploits/9508
exploit
securityfocus.com /bid/36128
vdb-entry, exploit
vupen.com /english/advisories/2009/2414
vdb-entry, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/52730
vdb-entry

Sources

CVE List CVE-2009-3976
NVD CVE-2009-3976

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary