Is CVE-2013-4730 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2013-4730, but active exploitation has not been confirmed.

Can CVE-2013-4730 be exploited remotely?

Yes. CVE-2013-4730 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2013-4730?

CVE-2013-4730 has a CVSS score of 10.0 (CRITICAL).

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CRITICALPOC

CVE-2013-4730

CWE-119Published: May 15, 2014· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2013-4730 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2013-4730. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.