Vulnerability DatabaseCVE-2020-29457
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CVE-2020-29457
February 16, 2021
A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application to establish a secure connection.
Affected Packages
opcfoundation.netstandard.opc.ua.core (NUGET):
Affected version(s) >=0.0.3 <1.4.365.10
Fix Suggestion:
Update to version 1.4.365.10
Related Resources (7)
https://github.com/OPCFoundation/UA-.NETStandard
https://github.com/OPCFoundation/UA-.NETStandard/pull/1229/commits/d815cfb972bd668c1b6e461f6ff97519d6b26f25
https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua/
https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua
https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2020-29457.pdf
https://github.com/OPCFoundation/UA-.NETStandard/pull/1229
https://nvd.nist.gov/vuln/detail/CVE-2020-29457
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CVSS v4
Base Score:
6.7
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
CVSS v2
Base Score:
2.1
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Weakness Type (CWE)
Improper Certificate Validation
CWE-295
EPSS
Base Score:
0.13