CVE-2020-29457
MEDIUM
4.4
CVSS Score
Published: February 16, 2021 at 07:19 PM UTC
Updated: June 17, 2026 at 03:11 AM UTC
1 product affected across 1 vendorUa .netstandard
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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.3%
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.4.365.10
Affected range stops below 1.4.365.10, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/OPCFoundation/UA-.NETStandardx_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2020-29457.pdfx_refsource_MISCProductThird Party Advisory
Source: [email protected]
https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-295
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