CVE-2009-3677

Published Dec 9, 2009 CVSS 2.0 · 10.0 Critical EPSS 21.8% KEV · Not listed
Description
The Internet Authentication Service (IAS) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold and SP1, and Server 2008 Gold does not properly verify the credentials in an MS-CHAP v2 Protected Extensible Authentication Protocol (PEAP) authentication request, which allows remote attackers to access network resources via a malformed request, aka "MS-CHAP Authentication Bypass Vulnerability."

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 7, 2024, 6:38 AM
Reserved
Oct 13, 2009, 12:00 AM
Status
Modified
Published
Dec 9, 2009, 6:30 PM
Modified
Jun 16, 2026, 11:12 PM