NullSoft WinAmp 5.581 wnaspi32.dll memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in NullSoft WinAmp 5.581 (Multimedia Player Software). It has been rated as very critical. This issue affects an unknown code block in the library wnaspi32.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Untrusted search path vulnerability in Nullsoft Winamp 5.581, and probably other versions, allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse wnaspi32.dll that is located in the same folder as a .669, .aac, .aiff, .amf, .au, .avr, .b4s, .caf or .cda file.

The weakness was released 02/01/2010 by LiquidWorm (Website). The advisory is shared at The identification of this vulnerability is CVE-2010-3137. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/24/2021).

A public exploit has been developed by LiquidWorm and been published even before and not after the advisory. The exploit is available at It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 50379 (Winamp < 5.59 build 3033 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (61321), Tenable (50379) and Exploit-DB (14789). Entries connected to this vulnerability are available at 55602, 55347, 55164 and 54712.






  • free


  • end of life

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: LiquidWorm
Download: 🔍

EPSS Score: 🔍
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Current Price Estimation: 🔍


Nessus ID: 50379
Nessus Name: Winamp < 5.59 build 3033 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801437
OpenVAS Name: Winamp Insecure Library Loading Vulnerability
OpenVAS File: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


01/31/2010 🔍
02/01/2010 +0 days 🔍
08/25/2010 +205 days 🔍
08/26/2010 +0 days 🔍
08/26/2010 +0 days 🔍
08/26/2010 +0 days 🔍
08/27/2010 +0 days 🔍
09/06/2010 +10 days 🔍
03/19/2015 +1655 days 🔍
09/24/2021 +2380 days 🔍



Researcher: LiquidWorm
Status: Confirmed

CVE: CVE-2010-3137 (🔍)

X-Force: 61321
Vulnerability Center: 27012 - Nullsoft Winamp 5.581 Remote Arbitrary Code Execution Vulnerability, High
SecurityFocus: 42747
Secunia: 41093
OSVDB: 67532 - Winamp Path Subversion Arbitrary DLL Injection Code Execution

scip Labs:
See also: 🔍


Created: 03/19/2015 02:37 PM
Updated: 09/24/2021 01:54 AM
Changes: 03/19/2015 02:37 PM (64), 04/21/2019 08:43 PM (11), 09/24/2021 01:46 AM (3), 09/24/2021 01:54 AM (2)
Complete: 🔍


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