CVE-2020-1066

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level.To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program.The update addresses the vulnerability by correcting how .NET Framework activates COM objects., aka '.NET Framework Elevation of Privilege Vulnerability'.

Se presenta una vulnerabilidad de elevación de privilegios en .NET Framework que podría permitir a un atacante elevar su nivel de privilegios. Para explotar la vulnerabilidad, un atacante primero tendría que acceder a la máquina local y luego ejecutar un programa malicioso. La actualización aborda la vulnerabilidad al corregir la forma como .NET Framework activa los objetos COM., también se conoce como ".NET Framework Elevation of Privilege Vulnerability".

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-04 CVE Reserved
2020-05-21 CVE Published
2020-06-17 First Exploit
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/cbwang505/CVE-2020-1066-EXP	2020-06-17

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1066	2021-07-21

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"	.net Framework Search vendor "Microsoft" for product ".net Framework"	3.0 Search vendor "Microsoft" for product ".net Framework" and version "3.0"	sp2	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	-	sp2	Safe
Microsoft Search vendor "Microsoft"	.net Framework Search vendor "Microsoft" for product ".net Framework"	3.5.1 Search vendor "Microsoft" for product ".net Framework" and version "3.5.1"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 7 Search vendor "Microsoft" for product "Windows 7"	-	sp1	Safe
Microsoft Search vendor "Microsoft"	.net Framework Search vendor "Microsoft" for product ".net Framework"	3.5.1 Search vendor "Microsoft" for product ".net Framework" and version "3.5.1"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2"	sp1, x64	Safe