Is CVE-2014-4078 in the CISA KEV catalog?

No. CVE-2014-4078 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-4078?

CVE-2014-4078 has a CVSS v2 base score of 5.1 (MEDIUM).

What is the EPSS score for CVE-2014-4078?

CVE-2014-4078 has an EPSS score of 18.01% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2014-4078

MEDIUMEPSS 97th pctl

5.1

CVSS v2

NVD

Description

The IP Security feature in Microsoft Internet Information Services (IIS) 8.0 and 8.5 does not properly process wildcard allow and deny rules for domains within the "IP Address and Domain Restrictions" list, which makes it easier for remote attackers to bypass an intended rule set via an HTTP request, aka "IIS Security Feature Bypass Vulnerability."

CWE-264

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

18.01%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 2026-05-06.