CVE-2020-1046

.NET Framework Remote Code Execution Vulnerability

At a glance

Severity
Not available
EPSS
EPSS 3.76 % · percentile 90 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Modified

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.

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0HIGH 9.3AV:N/AC:M/Au:N/C:C/I:C/A:CNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Microsoft .NET Framework 3.5affected 3.5.0 < publication
Microsoft · Microsoft .NET Framework 3.5 AND 4.8affected 4.8.0 < publication
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2affected 4.7.0 < publication
Microsoft · Microsoft .NET Framework 2.0 Service Pack 2affected 2.0.0 < publication
Microsoft · Microsoft .NET Framework 3.5.1affected 3.5.0 < publication

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD