Is CVE-2013-3131 in the CISA KEV catalog?

No. CVE-2013-3131 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-3131?

CVE-2013-3131 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2013-3131?

CVE-2013-3131 has an EPSS score of 22.01% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2013-3131

HIGHEPSS 97th pctl

9.3

CVSS v2

NVD

Description

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5, and Silverlight 5 before 5.1.20513.0, does not properly prevent changes to data in multidimensional arrays of structures, which allows remote attackers to execute arbitrary code via (1) a crafted .NET Framework application or (2) a crafted Silverlight application, aka "Array Access Violation Vulnerability."

CWE-94Code Injection

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

22.01%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% 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.