CVE-2013-6877

Realplayer vulnerability

CVSS

9.3

EPSS

11.3%

EPSS pct

96th

Exploited

No known

Heap-based buffer overflow in RealNetworks RealPlayer before 17.0.4.61 on Windows, and Mac RealPlayer before 12.0.1.1738, allows remote attackers to execute arbitrary code via a long string in the TRACKID element of an RMP file, a different vulnerability than CVE-2013-7260.

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

2013-12-19

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 11.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2013-6877

Confirm whether Realnetworks Realplayer is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-6877.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-6877

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-6877 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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