What is the CVSS score of CVE-2012-4776?

CVE-2012-4776 has a CVSS 2.0 base score of 9.3 (Critical). CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. EPSS exploitation probability: 45.0%.

Net Framework CVE-2012-4776

CRITICAL

Improper Input Validation (CWE-20)

2012-11-14 secure@microsoft.com

Microsoft RCE Net Framework

9.3

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

9.3 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Confidentiality

Integrity

Availability

Lifecycle Timeline

CVE Published

Nov 14, 2012 - 00:55 cve.org

CRITICAL 9.3

DescriptionCVE.org

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."

AnalysisAI

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. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Epss exploitation probability 45.0% and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. 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." Affected products include: Microsoft .Net Framework.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.