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CVE
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CVE-2009-3677Date: (C)2009-12-09   (M)2018-03-01


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 V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 10.0
Exploit Score: Exploit Score: 10.0
Impact Score: Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: COMPLETE
Scope: Integrity: COMPLETE
Confidentiality: Availability: COMPLETE
Integrity:  
Availability:  
  
Reference:
SECTRACK-1023291
IAVM:2009-A-0126
MS09-071
TA09-342A

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

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