Is CVE-2014-8420 in the CISA KEV catalog?

No. CVE-2014-8420 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-8420?

CVE-2014-8420 has a CVSS v2 base score of 9.0 (HIGH).

What is the EPSS score for CVE-2014-8420?

CVE-2014-8420 has an EPSS score of 23.99% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2014-8420

HIGHEPSS 98th pctl

9.0

CVSS v2

NVD

Description

The ViewPoint web application in Dell SonicWALL Global Management System (GMS) before 7.2 SP2, SonicWALL Analyzer before 7.2 SP2, and SonicWALL UMA before 7.2 SP2 allows remote authenticated users to execute arbitrary code via unspecified vectors.

CWE-20Improper Input Validation

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

23.99%probability of exploitation in 30 days

98thpercentile

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

References

http://www.securityfocus.com/bid/71241
http://www.zerodayinitiative.com/advisories/ZDI-14-385/
https://exchange.xforce.ibmcloud.com/vulnerabilities/98911
https://support.software.dell.com/product-notification/136814

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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 2026-05-06.