Is CVE-2013-6877 in the CISA KEV catalog?

No. CVE-2013-6877 is not currently on the CISA Known Exploited Vulnerabilities list.

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

CVE-2013-6877 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2013-6877?

CVE-2013-6877 has an EPSS score of 11.34% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2013-6877

HIGHEPSS 95th pctl

9.3

CVSS v2

NVD

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.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

11.34%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.