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Case File

CVE-2009-0234

MEDIUM · CVSS 6.4 EPSS 34.44%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-03-11 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.4. It affects Microsoft, Windows. Its EPSS score suggests a 34.4% probability of exploitation in the next 30 days. It may be remotely exploitable.

CVE
CVE-2009-0234
Severity
MEDIUM
CVSS
6.4
EPSS
34.44%
Microsoft Windows

Original NVD Description

The DNS Resolver Cache Service (aka DNSCache) in Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008 does not properly cache crafted DNS responses, which makes it easier for remote attackers to predict transaction IDs and poison caches by sending many crafted DNS queries that trigger "unnecessary lookups," aka "DNS Server Response Validation Vulnerability."