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Case File

CVE-2011-0657

CRITICAL · CVSS 9.8 EPSS 63.33%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-04-13 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Microsoft, Windows. Its EPSS score suggests a 63.3% probability of exploitation in the next 30 days. It may be remotely exploitable.

CVE
CVE-2011-0657
Severity
CRITICAL
CVSS
9.8
EPSS
63.33%
Microsoft Windows

Original NVD Description

DNSAPI.dll in the DNS client 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 process DNS queries, which allows remote attackers to execute arbitrary code via (1) a crafted LLMNR broadcast query or (2) a crafted application, aka "DNS Query Vulnerability."