CVE-2014-0257 Code injection in n/a

What is CVE-2014-0257?

CVE-2014-0257 is a critical code injection vulnerability in Microsoft .Net Framework, published on 12 Feb 2014. 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 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted .NET Framework application that exposes a COM server endpoint, aka "Type Traversal Vulnerability."

Weakness: CWE-20

Which versions are affected by CVE-2014-0257?

It affects 1 product.

Products include Microsoft .Net Framework.

How do I fix CVE-2014-0257?

No fix has been published for CVE-2014-0257 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2014-0257 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2014-0257 exists.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

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-x4qf-4j36-qp5x.