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CVE
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CVE-2009-3677Date: (C)2009-12-09   (M)2018-05-13


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."

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 10.0
Exploit Score: 10.0
Impact Score: 10.0
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality: COMPLETE
Integrity: COMPLETE
Availability: COMPLETE
  
Reference:
SECTRACK-1023291
IAVM:2009-A-0126
MS09-071
TA09-342A

CPE    14
cpe:/o:microsoft:windows_2000::sp4
cpe:/o:microsoft:windows_server_2008:::x32
cpe:/o:microsoft:windows_server_2003::sp2:x64
cpe:/o:microsoft:windows_vista::sp1
...
CWE    1
CWE-94
OVAL    2
oval:org.secpod.oval:def:2286
oval:org.mitre.oval:def:6209

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