Is CVE-2013-3178 in the CISA KEV catalog?

No. CVE-2013-3178 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-3178?

CVE-2013-3178 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2013-3178?

CVE-2013-3178 has an EPSS score of 32.07% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2013-3178

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

Description

Microsoft Silverlight 5 before 5.1.20513.0 does not properly initialize arrays, which allows remote attackers to execute arbitrary code or cause a denial of service (NULL pointer dereference) via a crafted Silverlight application, aka "Null Pointer Vulnerability."

CWE-94Code Injection

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

32.07%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

http://www.securitytracker.com/id/1028755
http://www.us-cert.gov/ncas/alerts/TA13-190A
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-052
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16892
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17389

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.