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Published: 14/11/2012 Updated: 07/12/2023

CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6

VMScore: 828

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

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 malicious users 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."

Vulnerable Product	Search on Vulmon	Subscribe to Product
microsoft .net_framework 2.0
microsoft .net_framework 3.5.1
microsoft .net_framework 4.0
microsoft .net_framework 3.5
microsoft .net_framework 4.5

CWE-20 http://www.us-cert.gov/cas/techalerts/TA12-318A.html http://www.securityfocus.com/bid/56463 http://osvdb.org/87266 http://www.securitytracker.com/id?1027753 http://secunia.com/advisories/51236 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15810 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074 https://nvd.nist.gov

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CVE-2012-4776

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