Is CVE-2011-4857 actively exploited?

No active exploitation of CVE-2011-4857 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2011-4857 be exploited remotely?

Yes. CVE-2011-4857 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2011-4857?

CVE-2011-4857 has a CVSS score of 10.0 (CRITICAL).

HOME VULNERABILITIESCVE-2011-4857

CRITICAL

CVE-2011-4857

CWE-119Published: December 16, 2011· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

Heap-based buffer overflow in the in_mod.dll plugin in Winamp before 5.623 allows remote attackers to execute arbitrary code via crafted song message data in an Impulse Tracker (IT) file. NOTE: some of these details are obtained from third party information.

NVD Source

Technical Analysis

CVE-2011-4857 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.

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