CVE-2011-1426

Realplayer vulnerability

CVSS

9.3

EPSS

5.0%

EPSS pct

91th

Exploited

No known

The OpenURLInDefaultBrowser method in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1.5, launches a default handler for the filename specified in the first argument, which allows remote attackers to execute arbitrary code via a .rnx filename corresponding to a crafted RNX file.

Affected vendor

Realnetworks

Affected product

Realplayer

CVSS vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Published

2011-04-18

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 5.0% 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-2011-1426

Confirm whether Realnetworks Realplayer is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-1426.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-1426

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-1426 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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