Medium severity4.4NVD Advisory· Published Feb 16, 2021· Updated Jun 17, 2026
CVE-2020-29457
CVE-2020-29457
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
OPCFoundation.NetStandard.Opc.Ua.CoreNuGet | < 1.4.365.10 | 1.4.365.10 |
Affected products
3- cpe:2.3:a:opcfoundation:ua-.netstandard:*:*:*:*:*:*:*:*Range: <1.4.365.10
- OPC/UA .NET Standard Stackdescription
Patches
Vulnerability mechanics
References
7- opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2020-29457.pdfnvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-mjww-934m-h4jwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-29457ghsaADVISORY
- www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua/nvdProductThird Party Advisory
- github.com/OPCFoundation/UA-.NETStandard/pull/1229ghsaWEB
- github.com/OPCFoundation/UA-.NETStandard/pull/1229/commits/d815cfb972bd668c1b6e461f6ff97519d6b26f25ghsaWEB
- www.nuget.org/packages/OPCFoundation.NetStandard.Opc.UaghsaWEB
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