← Vulnerability feed

Vulnerability record · CVE-2009-0349 · published 29 January 2009

CVE-2009-0349: Ftpshell server memory buffer overflow vulnerability

Ftpshell · Ftpshell Server

Stack-based buffer overflow in FTPShell Server 4.3 allows user-assisted remote attackers to cause a denial of service (persistent daemon crash) and possibly execute arbitrary code via a long string in a licensing key (aka .key) file.

9.3 CVSS 2.0 High EPSS 5.9% · top 7.1% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
5.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in FTPShell Server 4.3 allows user-assisted remote attackers to cause a denial of service (persistent daemon crash) and possibly execute arbitrary code via a long string in a licensing key (aka .key) file.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2009-0349 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.6CVE-2019-25619Ftpshell server out-of-bounds write vulnerabilityFTP Shell Server 6.83 contains a buffer overflow vulnerability in the 'Account name to ban' field that allows local attackers to execute arbitrary co…EPSS 0.21%7.5CVE-2020-18077Ftpshell server classic buffer overflow vulnerabilityA buffer overflow vulnerability in the Virtual Path Mapping component of FTPShell v6.83 allows attackers to cause a denial of service (DoS).EPSS 1.2%6.9CVE-2018-25226Ftpshell server out-of-bounds write vulnerabilityFTPShell Server 6.83 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long s…EPSS 0.22%2.1CVE-2005-2426Ftpshell server vulnerabilityFTPshell Server 3.38 allows remote authenticated users to cause a denial of service (application crash) by multiple connections and disconnections wi…EPSS 1.4%8.8CVE-2026-8452Citrix NetScaler ADC and Gateway memory buffer overflow causes DoSCVE-2026-8452 is a memory buffer overflow (CWE-119) in Citrix NetScaler ADC and NetScaler Gateway that leads to unpredictable or erroneous behavior a…KEVEPSS 1.0%analysed8.8CVE-2009-3459Adobe Reader and Acrobat heap buffer overflow via crafted PDFAdobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 contain a heap-based buffer overflow (CWE-122) triggered by a crafted…KEVEPSS 87%analysed9.8CVE-2008-4250Microsoft Windows Server service RPC path canonicalization buffer overflowThe Server service in multiple Windows versions fails to properly handle path canonicalization, allowing a crafted RPC request to overflow a buffer a…KEVEPSS 99%analysed8.8CVE-2025-31277Apple WebKit memory corruption via malicious web contentApple WebKit fails to handle memory correctly when processing crafted web content, leading to memory corruption across Safari, iOS, iPadOS, macOS, tv…KEVEPSS 1.6%analysed

Source: NIST National Vulnerability Database (record CVE-2009-0349), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.