What is CVE-2013-4730?

CVE-2013-4730 is a vulnerability in Pcman FTP Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-05-15.

Is CVE-2013-4730 known to be exploited?

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

Buffer overflow in Pcman FTP Server

CVE-2013-4730

Buffer overflow in PCMan's FTP Server 2.0.7 allows remote attackers to execute arbitrary code via a long string in a USER command.

Vulnerability class: Buffer Overflow

Published 2014-05-15 · last modified 2026-08-19.

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: 0.667 (99.3th percentile), scored 2026-10-19.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.665 · newest: 0.667 · change: +0.002

Affected products

Pcman FTP Server — versions 2.0.7
Pcman\'s FTP Server Project — versions 2.0.7

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

www.securityfocus.com/bid/60837 (vdb-entry)
osvdb.org/show/osvdb/94624 (vdb-entry)
www.exploit-db.com/exploits/26471 (Exploit, exploit)
infosec42.blogspot.com/2013/06/unauthenticated-pcman-ftp-207-buffer.html (Exploit)

Frequently asked questions

What is CVE-2013-4730?: CVE-2013-4730 is a vulnerability in Pcman FTP Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-05-15.
Is CVE-2013-4730 known to be exploited?: 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.