← Vulnerability feed

Vulnerability record · CVE-2012-10023 · published 5 August 2025

CVE-2012-10023: Freefloat ftp server stack-based buffer overflow vulnerability

FFreefloat · Freefloat Ftp Server

A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.

6.9 CVSS 4.0 Medium EPSS 2.5% · top 16.1% CWE-121 · Stack-based buffer overflow
6.9CVSS 4.0 base score
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

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

References

LinkTags
https://my.saintcorporation.com/cgi-bin/exploit_info/freefloat_ftp_server_user_cmd Third Party Advisory
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/freefloatftp_user.rb Exploit
https://web.archive.org/web/20101208040029/http://secunia.com/advisories/42465/ Third Party Advisory
https://web.archive.org/web/20101213050627/http://www.freefloat.com/sv/about-/about-.php Product
https://www.exploit-db.com/exploits/15689 Exploit
https://www.exploit-db.com/exploits/23243 Exploit
https://www.vulncheck.com/advisories/freefloat-ftp-server-user-command-buffer-overflow Third Party Advisory
https://www.exploit-db.com/exploits/23243 Exploit

Track CVE-2012-10023 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.

10.0CVE-2012-5106Freefloat ftp server memory buffer overflow vulnerabilityStack-based buffer overflow in FreeFloat FTP Server 1.0 allows remote authenticated users to execute arbitrary code via a long string in a PUT comman…EPSS 14%9.3CVE-2019-25614Freefloat ftp server out-of-bounds write vulnerabilityFree Float FTP 1.0 contains a buffer overflow vulnerability in the STOR command handler that allows remote attackers to execute arbitrary code by sen…EPSS 0.95%9.3CVE-2012-10030Freefloat ftp server missing authentication for critical function vulnerabilityFreeFloat FTP Server contains multiple critical design flaws that allow unauthenticated remote attackers to upload arbitrary files to sensitive syste…EPSS 2.2%6.9CVE-2025-5666Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality o…EPSS 0.66%6.9CVE-2025-5667Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the com…EPSS 0.67%6.9CVE-2025-5664Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0 and classified as critical. This issue affects some unknown processing of the component RESTART…EPSS 0.66%6.9CVE-2025-5665Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0. It has been classified as critical. Affected is an unknown function of the component XCWD Comm…EPSS 0.66%6.9CVE-2025-5596Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0. It has been classified as critical. Affected is an unknown function of the component REGET Com…EPSS 0.67%

Source: NIST National Vulnerability Database (record CVE-2012-10023), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.