Is CVE-2013-6877 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2013-6877, but active exploitation has not been confirmed.

Can CVE-2013-6877 be exploited remotely?

Yes. CVE-2013-6877 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2013-6877?

CVE-2013-6877 has a CVSS score of 9.3 (CRITICAL).

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CRITICALPOC

CVE-2013-6877

CWE-119Published: December 19, 2013· Updated: Jun 17, 2026

9.3

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2013-6877 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2013-6877. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.