VULNERABILITY INTELLIGENCE
CVE-2011-1978
CVSS score4.3 MEDIUM
EPSS probability20.21%
CISA KEVNot currently listed
Published2011-08-10
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:N/A:N
Description
Microsoft .NET Framework 2.0 SP2, 3.5.1, and 4 does not properly validate the System.Net.Sockets trust level, which allows remote attackers to obtain sensitive information or trigger arbitrary outbound network traffic via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka "Socket Restriction Bypass Vulnerability."
Weakness classification
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor