CVE-2011-1894

Windows 2003 Server vulnerability

CVSS

4.3

EPSS

11.4%

EPSS pct

96th

Exploited

No known

The MHTML protocol handler in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle a MIME format in a request for embedded content in an HTML document, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted EMBED element in a web page that is visited in Internet Explorer, aka "MHTML Mime-Formatted Request Vulnerability."

Affected vendor

Microsoft

Affected product

Windows 2003 Server

CVSS vector

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

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2011-06-16

Risk analysis

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

Its EPSS score of 11.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2011-1894

Confirm whether Microsoft Windows 2003 Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-1894.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-1894

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-1894 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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