CVE-2014-4078

Internet Information Services vulnerability

CVSS

5.1

EPSS

18.0%

EPSS pct

97th

Exploited

No known

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."

Affected vendor

Microsoft

Affected product

Internet Information Services

CVSS vector

AV:N/AC:H/Au:N/C:P/I:P/A:P

Weakness type (CWE)

CWE-264 — Permissions, Privileges, and Access Controls

Published

2014-11-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 18.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2014-4078

Confirm whether Microsoft Internet Information Services is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2014-4078.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-4078

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2014-4078 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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