CVE-2012-10023
CVE-2012-10023 is a critical-severity vulnerability in Freefloat Freefloat Ftp Server with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 6.9
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2012-6577
- Weakness: CWE-121
- Affected product: Freefloat Freefloat Ftp Server
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2012-10023?
- 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.
- How severe is CVE-2012-10023?
- CVE-2012-10023 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2012-10023 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-10023?
- CVE-2012-10023 affects Freefloat Freefloat Ftp Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2012-10023?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2012-10023 have an EU (EUVD) identifier?
- Yes. CVE-2012-10023 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2012-6577.
- When was CVE-2012-10023 published?
- CVE-2012-10023 was published on 2025-08-05 and last updated on 2026-06-16.
References
- https://my.saintcorporation.com/cgi-bin/exploit_info/freefloat_ftp_server_user_cmd
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/freefloatftp_user.rb
- https://web.archive.org/web/20101208040029/http://secunia.com/advisories/42465/
- https://web.archive.org/web/20101213050627/http://www.freefloat.com/sv/about-/about-.php
- https://www.exploit-db.com/exploits/15689
- https://www.exploit-db.com/exploits/23243
- https://www.vulncheck.com/advisories/freefloat-ftp-server-user-command-buffer-overflow
Affected products (1)
- cpe:2.3:a:freefloat:freefloat_ftp_server:1.0:*:*:*:*:*:*:*
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