CVE-2011-1978 Security feature bypass in n/a

What is CVE-2011-1978?

CVE-2011-1978 is a medium-severity vulnerability in Microsoft .Net Framework, published on 10 Aug 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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: CWE-200

Which versions are affected by CVE-2011-1978?

It affects 1 product.

Products include Microsoft .Net Framework.

How do I fix CVE-2011-1978?

No fix has been published for CVE-2011-1978 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-1978 being exploited?

There is no known exploitation of CVE-2011-1978 in the wild and no public exploit code.

Other vulnerabilities in Microsoft .Net Framework

• CVE-2020-0646 Microsoft .NET Framework Remote Code Execution Exploited Critical 9.8
• CVE-2017-8759 Microsoft .NET Framework Remote Code Execution Exploited High 7.8
• CVE-2015-1671 Microsoft Windows Remote Code Execution Exploited High 7.8
• CVE-2024-29059 Microsoft .NET Framework Information Disclosure Exploited High 7.5
• CVE-2014-4073 Privilege escalation in n/a Critical 10.0

All Microsoft .Net Framework vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-h6v3-p84j-v62f.