CVE-2020-1046 .NET Framework Remote Code Execution Vulnerability
An attacker can execute arbitrary code by uploading a specially crafted file to a web application using Microsoft .NET Framework.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-1046?
CVE-2020-1046 is a high-severity code injection vulnerability in Microsoft .Net Framework, published on 17 Aug 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system. To exploit the vulnerability, an attacker would need to be able to upload a specially crafted file to a web application. The security update addresses the vulnerability by correcting how .NET Framework processes input.
Which versions are affected by CVE-2020-1046?
It affects 1 product.
Products include Microsoft .Net Framework.
How do I fix CVE-2020-1046?
No fix has been published for CVE-2020-1046 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-2020-1046 being exploited?
There is no known exploitation of CVE-2020-1046 in the wild and no public exploit code.
Other vulnerabilities in Microsoft .Net Framework
Sources
Also known as GHSA-p734-hj82-4cvx.