CVE-2020-1046

HIGH

.NET Framework - Remote Code Execution via File Upload

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0376
EPSS Percentile 88.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

Status published
Products (4)
microsoft/.net_framework 2.0 sp2
microsoft/.net_framework 3.5
microsoft/.net_framework 4.7.2
microsoft/.net_framework 3.5.1
Published Aug 17, 2020
Tracked Since Feb 18, 2026