CVE-2020-29457

Severity Score

4.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application to establish a secure connection.

Una vulnerabilidad de Elevación de Privilegios en OPC UA .NET Standard Stack versión 1.4.363.107 podría permitir a una aplicación fraudulenta establecer una conexión segura.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-02 CVE Reserved
2021-02-16 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation

CAPEC

References (3)

URL	Tag	Source
https://github.com/OPCFoundation/UA-.NETStandard	Third Party Advisory
https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua	Product

URL	Date	SRC

URL	Date	SRC
https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2020-29457.pdf	2021-03-26

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Opcfoundation Search vendor "Opcfoundation"		Ua-.netstandard Search vendor "Opcfoundation" for product "Ua-.netstandard"				< 1.4.365.10 Search vendor "Opcfoundation" for product "Ua-.netstandard" and version " < 1.4.365.10"		-		Affected