CVE-2011-4857

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.

Published: 2011-12-16 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4857 is rated High Risk (70/100): CVSS Critical severity, with high exploitation likelihood (EPSS 7.27%, 91th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-4857

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-20 9.24% 7.27% -1.97%
2 2025-11-06 10.72% 9.24% -1.48%
3 2025-08-16 — 10.72% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4857

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2011-4857

Affected software / configurations for CVE-2011-4857

Vendor Product Version Raw CPE
nullsoft winamp <= 5.622 cpe:2.3:a:nullsoft:winamp:*:*:*:*:*:*:*:*
nullsoft winamp 0.20a cpe:2.3:a:nullsoft:winamp:0.20a:*:*:*:*:*:*:*
nullsoft winamp 0.92 cpe:2.3:a:nullsoft:winamp:0.92:*:*:*:*:*:*:*
nullsoft winamp 1.006 cpe:2.3:a:nullsoft:winamp:1.006:*:*:*:*:*:*:*
nullsoft winamp 1.90 cpe:2.3:a:nullsoft:winamp:1.90:*:*:*:*:*:*:*
nullsoft winamp 2.0 cpe:2.3:a:nullsoft:winamp:2.0:*:*:*:*:*:*:*
nullsoft winamp 2.6 cpe:2.3:a:nullsoft:winamp:2.6:*:*:*:*:*:*:*
nullsoft winamp 2.9 cpe:2.3:a:nullsoft:winamp:2.9:*:*:*:*:*:*:*
nullsoft winamp 2.10 cpe:2.3:a:nullsoft:winamp:2.10:*:*:*:*:*:*:*
nullsoft winamp 2.91 cpe:2.3:a:nullsoft:winamp:2.91:*:*:*:*:*:*:*
nullsoft winamp 2.92 cpe:2.3:a:nullsoft:winamp:2.92:*:*:*:*:*:*:*
nullsoft winamp 2.95 cpe:2.3:a:nullsoft:winamp:2.95:*:*:*:*:*:*:*
nullsoft winamp 5.0 cpe:2.3:a:nullsoft:winamp:5.0:*:*:*:*:*:*:*
nullsoft winamp 5.01 cpe:2.3:a:nullsoft:winamp:5.01:*:*:*:*:*:*:*
nullsoft winamp 5.1 cpe:2.3:a:nullsoft:winamp:5.1:-:surround:*:*:*:*:*
nullsoft winamp 5.02 cpe:2.3:a:nullsoft:winamp:5.02:*:*:*:*:*:*:*
nullsoft winamp 5.2 cpe:2.3:a:nullsoft:winamp:5.2:*:*:*:*:*:*:*
nullsoft winamp 5.3 cpe:2.3:a:nullsoft:winamp:5.3:*:*:*:*:*:*:*
nullsoft winamp 5.03 cpe:2.3:a:nullsoft:winamp:5.03:*:*:*:*:*:*:*
nullsoft winamp 5.04 cpe:2.3:a:nullsoft:winamp:5.04:*:*:*:*:*:*:*
nullsoft winamp 5.05 cpe:2.3:a:nullsoft:winamp:5.05:*:*:*:*:*:*:*
nullsoft winamp 5.5 cpe:2.3:a:nullsoft:winamp:5.5:*:*:*:*:*:*:*
nullsoft winamp 5.6 cpe:2.3:a:nullsoft:winamp:5.6:*:*:*:*:*:*:*
nullsoft winamp 5.06 cpe:2.3:a:nullsoft:winamp:5.06:*:*:*:*:*:*:*
nullsoft winamp 5.07 cpe:2.3:a:nullsoft:winamp:5.07:*:*:*:*:*:*:*
nullsoft winamp 5.08c cpe:2.3:a:nullsoft:winamp:5.08c:*:*:*:*:*:*:*
nullsoft winamp 5.08d cpe:2.3:a:nullsoft:winamp:5.08d:*:*:*:*:*:*:*
nullsoft winamp 5.08e cpe:2.3:a:nullsoft:winamp:5.08e:*:*:*:*:*:*:*
nullsoft winamp 5.09 cpe:2.3:a:nullsoft:winamp:5.09:*:*:*:*:*:*:*
nullsoft winamp 5.11 cpe:2.3:a:nullsoft:winamp:5.11:*:*:*:*:*:*:*
nullsoft winamp 5.12 cpe:2.3:a:nullsoft:winamp:5.12:*:*:*:*:*:*:*
nullsoft winamp 5.13 cpe:2.3:a:nullsoft:winamp:5.13:*:*:*:*:*:*:*
nullsoft winamp 5.21 cpe:2.3:a:nullsoft:winamp:5.21:*:*:*:*:*:*:*
nullsoft winamp 5.22 cpe:2.3:a:nullsoft:winamp:5.22:*:*:*:*:*:*:*
nullsoft winamp 5.23 cpe:2.3:a:nullsoft:winamp:5.23:*:*:*:*:*:*:*
nullsoft winamp 5.24 cpe:2.3:a:nullsoft:winamp:5.24:*:*:*:*:*:*:*
nullsoft winamp 5.31 cpe:2.3:a:nullsoft:winamp:5.31:*:*:*:*:*:*:*
nullsoft winamp 5.32 cpe:2.3:a:nullsoft:winamp:5.32:*:*:*:*:*:*:*
nullsoft winamp 5.33 cpe:2.3:a:nullsoft:winamp:5.33:*:*:*:*:*:*:*
nullsoft winamp 5.34 cpe:2.3:a:nullsoft:winamp:5.34:*:*:*:*:*:*:*
nullsoft winamp 5.35 cpe:2.3:a:nullsoft:winamp:5.35:*:*:*:*:*:*:*
nullsoft winamp 5.51 cpe:2.3:a:nullsoft:winamp:5.51:*:*:*:*:*:*:*
nullsoft winamp 5.52 cpe:2.3:a:nullsoft:winamp:5.52:*:*:*:*:*:*:*
nullsoft winamp 5.53 cpe:2.3:a:nullsoft:winamp:5.53:*:*:*:*:*:*:*
nullsoft winamp 5.54 cpe:2.3:a:nullsoft:winamp:5.54:*:*:*:*:*:*:*
nullsoft winamp 5.55 cpe:2.3:a:nullsoft:winamp:5.55:*:*:*:*:*:*:*
nullsoft winamp 5.56 cpe:2.3:a:nullsoft:winamp:5.56:*:*:*:*:*:*:*
nullsoft winamp 5.57 cpe:2.3:a:nullsoft:winamp:5.57:*:*:*:*:*:*:*
nullsoft winamp 5.58 cpe:2.3:a:nullsoft:winamp:5.58:*:*:*:*:*:*:*
nullsoft winamp 5.091 cpe:2.3:a:nullsoft:winamp:5.091:*:*:*:*:*:*:*
nullsoft winamp 5.093 cpe:2.3:a:nullsoft:winamp:5.093:*:*:*:*:*:*:*
nullsoft winamp 5.094 cpe:2.3:a:nullsoft:winamp:5.094:*:*:*:*:*:*:*
nullsoft winamp 5.111 cpe:2.3:a:nullsoft:winamp:5.111:*:*:*:*:*:*:*
nullsoft winamp 5.112 cpe:2.3:a:nullsoft:winamp:5.112:*:*:*:*:*:*:*
nullsoft winamp 5.531 cpe:2.3:a:nullsoft:winamp:5.531:*:*:*:*:*:*:*
nullsoft winamp 5.541 cpe:2.3:a:nullsoft:winamp:5.541:*:*:*:*:*:*:*
nullsoft winamp 5.551 cpe:2.3:a:nullsoft:winamp:5.551:*:*:*:*:*:*:*
nullsoft winamp 5.552 cpe:2.3:a:nullsoft:winamp:5.552:*:*:*:*:*:*:*
nullsoft winamp 5.572 cpe:2.3:a:nullsoft:winamp:5.572:*:*:*:*:*:*:*
nullsoft winamp 5.581 cpe:2.3:a:nullsoft:winamp:5.581:*:*:*:*:*:*:*

References for CVE-2011-4857

cvelogic Threat Intelligence