- 6.9MediumCVSS base score
- 2.8%Exploitation in 30 daysEPSS · top 13% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module for it. 4 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits5
Metasploit modules1 module
- Free Float FTP Server USER Command Buffer Overflow (Metasploit module) (opens in a new tab)
exploit/windows/ftp/freefloatftp_userRank normaldisclosed 12 Jun 2012
References tagged exploit4 references
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/freefloatftp_user.rb (opens in a new tab)exploit
- https://www.exploit-db.com/exploits/23243 (opens in a new tab)exploit
- https://www.exploit-db.com/exploits/15689 (opens in a new tab)exploit
- https://web.archive.org/web/20101208040029/http://secunia.com/advisories/42465/ (opens in a new tab)technical-descriptionexploit
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By VulnCheck
Published
- 8 months later
· 8 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulnCheckCNA (assigner) | 4.0 | Medium6.9 | 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 |
| NVDNVD · Analyzed | 4.0 | Medium6.9 | 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:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 2.8% · top 13% of all CVEs (9 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
- affected *
References
7
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/freefloatftp_user.rb (opens in a new tab)exploit
- https://www.exploit-db.com/exploits/23243 (opens in a new tab)exploit
- https://my.saintcorporation.com/cgi-bin/exploit_info/freefloat_ftp_server_user_cmd (opens in a new tab)third-party-advisory
- https://www.exploit-db.com/exploits/15689 (opens in a new tab)exploit
- https://web.archive.org/web/20101208040029/http://secunia.com/advisories/42465/ (opens in a new tab)technical-descriptionexploit
- https://web.archive.org/web/20101213050627/http://www.freefloat.com/sv/about-/about-.php (opens in a new tab)product
- https://www.vulncheck.com/advisories/freefloat-ftp-server-user-command-buffer-overflow (opens in a new tab)third-party-advisory
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2012-6577 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-10023)Record last updated .