THREATPORT/VULNERABILITY/CVE-2011-4857
HIGH SEVERITY

CVE-2011-4857

Winamp vulnerability

CVSS
10.0
EPSS
4.9%
EPSS pct
91th
Exploited
No known
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.
Affected vendor
Nullsoft
Affected product
Winamp
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2011-12-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 4.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2011-4857

  • Confirm whether Nullsoft Winamp is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-4857.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-4857

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-4857 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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