THREATPORT/VULNERABILITY/CVE-2010-4378
HIGH SEVERITY

CVE-2010-4378

Realplayer vulnerability

CVSS
9.3
EPSS
5.8%
EPSS pct
92th
Exploited
No known
The drv2.dll (aka RV20 decompression) module in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, RealPlayer Enterprise 2.1.2 and 2.1.3, Linux RealPlayer 11.0.2.1744, and possibly HelixPlayer 1.0.6 and other versions, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted value of an unspecified length field in an RV20 video stream.
Affected vendor
Realnetworks
Affected product
Realplayer
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2010-12-14

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 5.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2010-4378

  • Confirm whether Realnetworks Realplayer is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2010-4378.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-4378

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-4378 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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