CVE-2020-1046

.NET Framework Remote Code Execution Vulnerability

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.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 7.95% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft .NET Framework 3.5

Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8

Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.7.2

Affected: Microsoft Microsoft .NET Framework 2.0 Service Pack 2

Affected: Microsoft Microsoft .NET Framework 3.5.1

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1046	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-1046?: CVE-2020-1046 has been scored as a high severity vulnerability.
How to fix CVE-2020-1046?: To fix CVE-2020-1046, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-1046 being actively exploited in the wild?: It is possible that CVE-2020-1046 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1046?: CVE-2020-1046 affects Microsoft Microsoft .NET Framework 3.5, Microsoft Microsoft .NET Framework 3.5 AND 4.8, Microsoft Microsoft .NET Framework 3.5 AND 4.7.2, Microsoft Microsoft .NET Framework 2.0 Service Pack 2, Microsoft Microsoft .NET Framework 3.5.1.

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