CVE-2020-0646

CRITICAL(9.8)KEVLikely Exploited

Microsoft .NET Framework Remote Code Execution Vulnerability

Description

A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.

KEV Information

Vendor
Microsoft
Product
.NET Framework
Date Added
November 3, 2021
Due Date
May 3, 2022
Required Action
Apply updates per vendor instructions.

CVSS Score

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HOpen in Calculator
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9

CWEs

Affected Products

VendorProductVersion
microsoft.net framework3.0; 3.5; 4.6.2; 4.7; 4.7.1; 4.7.2; 4.8; 3.5.1; 4.5.2; 4.6; 4.6.1

Multiple CVSS Assessments

Source: [email protected](Primary)
9.8
CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0(Secondary)
9.8
CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

CVSS Score

9.8
CRITICAL(9.8)

EPSS Score

EPSS Score99.22%
EPSS Percentile99.9%

Dates

PublishedJanuary 14, 2020
Last ModifiedJune 17, 2026
StatusAnalyzed
CVSS Versionv3.1

Need Help With Vulnerability Management?

Our security experts can help you prioritize and remediate vulnerabilities effectively.