CVE-2009-3677
Scores
EPSS
0.667medium66.7%
0%20%40%60%80%100%
Percentile: 66.7%
CVSS
10.0critical2.0
0246810
CVSS Score: 10.0/10
All CVSS Scores
CVSS 2.0
10.0Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
AV:N
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
AC:L
Authentication
None (N)
Describes the level of privileges an attacker must possess
Au:N
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
C:C
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
I:C
Availability Impact
Complete
Measures the impact to the availability of the impacted component
A:C
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.”
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nvd
CWEs
CWE-94
Vulnerable Software (5)
Type: Configuration
Vendor: *
Product: windows_2000
Operating System: * * *
Trait:
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: windows_server_2003
Operating System: * * *
Trait:
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: windows_server_2008
Operating System: * * *
Trait:
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: windows_vista
Operating System: * * *
Trait:
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: windows_xp
Operating System: * * *
Trait:
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
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