THREATPORT/VULNERABILITY/CVE-2011-0531
HIGH SEVERITY

CVE-2011-0531

Vlc Media Player vulnerability

CVSS
9.3
EPSS
41.6%
EPSS pct
99th
Exploited
No known
demux/mkv/mkv.hpp in the MKV demuxer plugin in VideoLAN VLC media player 1.1.6.1 and earlier allows remote attackers to cause a denial of service (crash) and execute arbitrary commands via a crafted MKV (WebM or Matroska) file that triggers memory corruption, related to "class mismatching" and the MKV_IS_ID macro.
Affected vendor
Videolan
Affected product
Vlc Media Player
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2011-02-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium 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 41.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2011-0531

  • Confirm whether Videolan Vlc Media Player is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-0531.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-0531

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-0531 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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