Is CVE-2013-6043 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2013-6043, but active exploitation has not been confirmed.

Can CVE-2013-6043 be exploited remotely?

Yes. CVE-2013-6043 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2013-6043?

CVE-2013-6043 has a CVSS score of 5.0 (MEDIUM).

HOME VULNERABILITIESCVE-2013-6043

MEDIUMPOC

CVE-2013-6043

CWE-200Published: December 27, 2014· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

The login function in Softaculous Webuzo before 2.1.4 provides different error messages for invalid authentication attempts depending on whether the user account exists, which allows remote attackers to enumerate usernames via a series of requests.

NVD Source

Technical Analysis

CVE-2013-6043 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-2013-6043. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.