Improper input validation in Microsoft Windows 2000

CVE-2009-0093

Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008, when dynamic updates are enabled, does not restrict registration of the "wpad" hostname, which allows remote authenticated users to hijack the Web Proxy Auto-Discovery (WPAD) feature, and conduct man-in-the-middle attacks by spoofing a proxy server, via a Dynamic Update request for this hostname, aka "DNS Server Vulnerability in WPAD Registration Vulnerability," a related issue to CVE-2007-1692.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.170 (96.8th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-0093?
CVE-2009-0093 is a vulnerability in Microsoft Windows 2000, classified under Improper Input Validation. Published 2009-03-11.
Is CVE-2009-0093 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.