High
Incorrect Implementation of Authentication Algorithm in OPCFoundation.NetStandard.Opc.Ua.Core
A vulnerability was discovered in the OPC UA .NET Standard Stack that
- allows a malicious client or server to bypass the application authentication mechanism
- and allow a connection to an untrusted peer.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | OPCFoundation.NetStandard.Opc.Ua.Core | < 1.4.368.58 | 1.4.368.58 |
References
- https://github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-fvxf-r9fw-49pc
- https://nvd.nist.gov/vuln/detail/CVE-2022-29865
- https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29865.pdf
- https://github.com/OPCFoundation/UA-.NETStandard
- https://opcfoundation.org/security
CVSS score
7.5/10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Weakness (CWE)
CWE-287- Platform
- .NET (NuGet)
- Package
OPCFoundation.NetStandard.Opc.Ua.Core- Disclosed
- 17.06.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-fvxf-r9fw-49pc - CC BY 4.0
Vulnerability history: OPCFoundation.NetStandard.Opc.Ua.Core
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 11
- First → latest
- 11.2021 03.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 7
- Medium 4
Disclosures per year
- 2021: 1
- 2022: 5
- 2023: 1
- 2024: 3
- 2025: 1
- 2026: 0
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Incorrect Implementation of Authentication Algorithm in OPCFoundation.NetStandard.Opc.Ua.Core this entry
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