What is CVE-2012-5106?

CVE-2012-5106 is a vulnerability in Freefloat FTP Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-06-20.

Is CVE-2012-5106 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Freefloat FTP Server

CVE-2012-5106

Stack-based buffer overflow in FreeFloat FTP Server 1.0 allows remote authenticated users to execute arbitrary code via a long string in a PUT command.

Vulnerability class: Buffer Overflow

Published 2014-06-20 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.141 (96.4th percentile), scored 2026-09-29.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.141 · newest: 0.141 · change: 0.000

Affected products

Freefloat FTP Server — versions 1.0

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

www.osvdb.org/88358 (vdb-entry)
exchange.xforce.ibmcloud.com/vulnerabilities/79810 (vdb-entry)
www.exploit-db.com/exploits/22351 (Exploit, exploit)
infosec42.blogspot.com/2012/09/freefloatftp-10-put-buffer-overflow.html (Exploit)

Frequently asked questions

What is CVE-2012-5106?: CVE-2012-5106 is a vulnerability in Freefloat FTP Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-06-20.
Is CVE-2012-5106 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.