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NVD Vulnerability Details :
CVE-2012-4776
Modified
More InfoOfficial Page
Source-secure@microsoft.com
View Known Exploited Vulnerability (KEV) details
Published At-14 Nov, 2012 | 00:55
Updated At-29 Apr, 2026 | 01:13

The Web Proxy Auto-Discovery (WPAD) functionality in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not validate configuration data that is returned during acquisition of proxy settings, which allows remote attackers to execute arbitrary JavaScript code by providing crafted data during execution of (1) an XAML browser application (aka XBAP) or (2) a .NET Framework application, aka "Web Proxy Auto-Discovery Vulnerability."

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary2.09.3HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C
Type: Primary
Version: 2.0
Base score: 9.3
Base severity: HIGH
Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C
CPE Matches
Microsoft Corporation
microsoft
>>.net_framework>>2.0
cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2003>>*
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_vista>>*
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_xp>>*
cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_xp>>-
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>.net_framework>>3.5.1
cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:*:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:*:x86:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:sp1:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>.net_framework>>4.0
cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:*:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:*:x86:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:sp1:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2003>>*
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_vista>>*
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_xp>>*
cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_xp>>-
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>.net_framework>>3.5
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_8>>-
cpe:2.3:o:microsoft:windows_8:-:-:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_8>>-
cpe:2.3:o:microsoft:windows_8:-:-:x86:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2012>>-
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>.net_framework>>4.5
cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:sp1:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_7>>*
cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2008>>*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_vista>>*
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-20Primarynvd@nist.gov
CWE ID: CWE-20
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://osvdb.org/87266secure@microsoft.com
N/A
http://secunia.com/advisories/51236secure@microsoft.com
N/A
http://www.securityfocus.com/bid/56463secure@microsoft.com
N/A
http://www.securitytracker.com/id?1027753secure@microsoft.com
N/A
http://www.us-cert.gov/cas/techalerts/TA12-318A.htmlsecure@microsoft.com
US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074secure@microsoft.com
N/A
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15810secure@microsoft.com
N/A
http://osvdb.org/87266af854a3a-2127-422b-91ae-364da2661108
N/A
http://secunia.com/advisories/51236af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.securityfocus.com/bid/56463af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.securitytracker.com/id?1027753af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.us-cert.gov/cas/techalerts/TA12-318A.htmlaf854a3a-2127-422b-91ae-364da2661108
US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074af854a3a-2127-422b-91ae-364da2661108
N/A
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15810af854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: http://osvdb.org/87266
Source: secure@microsoft.com
Resource: N/A
Hyperlink: http://secunia.com/advisories/51236
Source: secure@microsoft.com
Resource: N/A
Hyperlink: http://www.securityfocus.com/bid/56463
Source: secure@microsoft.com
Resource: N/A
Hyperlink: http://www.securitytracker.com/id?1027753
Source: secure@microsoft.com
Resource: N/A
Hyperlink: http://www.us-cert.gov/cas/techalerts/TA12-318A.html
Source: secure@microsoft.com
Resource:
US Government Resource
Hyperlink: https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074
Source: secure@microsoft.com
Resource: N/A
Hyperlink: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15810
Source: secure@microsoft.com
Resource: N/A
Hyperlink: http://osvdb.org/87266
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://secunia.com/advisories/51236
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.securityfocus.com/bid/56463
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.securitytracker.com/id?1027753
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.us-cert.gov/cas/techalerts/TA12-318A.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
US Government Resource
Hyperlink: https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15810
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Change History
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