Is CVE-2012-6275 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2012-6275, but active exploitation has not been confirmed.

Can CVE-2012-6275 be exploited remotely?

Yes. CVE-2012-6275 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2012-6275?

CVE-2012-6275 has a CVSS score of 10.0 (CRITICAL).

HOME VULNERABILITIESCVE-2012-6275

CRITICALPOC

CVE-2012-6275

CWE-119Published: February 24, 2013· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

Multiple stack-based buffer overflows in AntDS.exe in BigAntSoft BigAnt IM Message Server allow remote attackers to have an unspecified impact via (1) the filename header in an SCH request or (2) the userid component in a DUPF request.

NVD Source

Technical Analysis

CVE-2012-6275 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-2012-6275. 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.