CVE-2007-5355

Windows 2000 vulnerability

CVSS

5.8

EPSS

16.6%

EPSS pct

97th

Exploited

No known

The Web Proxy Auto-Discovery (WPAD) feature in Microsoft Internet Explorer 6 and 7, when a primary DNS suffix with three or more components is configured, resolves an unqualified wpad hostname in a second-level domain outside this configured DNS domain, which allows remote WPAD servers to conduct man-in-the-middle (MITM) attacks.

Affected vendor

Microsoft

Affected product

Windows 2000

CVSS vector

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

Published

2007-12-05

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 confidentiality, partial impact to integrity.

Its EPSS score of 16.6% 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-2007-5355

Confirm whether Microsoft Windows 2000 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-5355.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-5355

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-5355 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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