# OPCFoundation.NetStandard.Opc.Ua (NuGet) vulnerabilities

Source: https://junglewise.ai/threats/technologies/opcfoundation-netstandard-opc-ua  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/opcfoundation-netstandard-opc-ua.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in OPCFoundation.NetStandard.Opc.Ua (NuGet): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, Duplicate Advisory: Authentication Bypass by Spoofing in OPC UA .NET Standard…, was published on 10 February 2025.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 8 (0 critical, 0 exploited in the wild)

## About OPCFoundation.NetStandard.Opc.Ua (NuGet)

.NET implementation of OPC UA (Unified Architecture) protocol for industrial automation and device communication.

## Latest OPCFoundation.NetStandard.Opc.Ua (NuGet) vulnerabilities

- [Duplicate Advisory: Authentication Bypass by Spoofing in OPC UA .NET Standard Stack](https://junglewise.ai/threats/duplicate-advisory-authentication-bypass-by-spoofing-in-opc-ua-net-ddfa6525) (low, CVSS 3.1, published 10 Feb 2025)
- [Duplicate Advisory: Authorization Bypass in OPC UA .NET Standard Stack](https://junglewise.ai/threats/duplicate-advisory-authorization-bypass-in-opc-ua-net-standard-stack-965ddb2c) (low, CVSS 3.1, published 10 Feb 2025)
- [CVE-2024-45526: Security Update for the OPC UA .NET Standard Stack](https://junglewise.ai/threats/cve-2024-45526-security-update-for-the-opc-ua-net-standard-stack) (low, CVSS 3.1, published 18 Oct 2024)
- [Security Update for the OPC UA .NET Standard Stack](https://junglewise.ai/threats/security-update-for-the-opc-ua-net-standard-stack-2bb6ae26) (low, CVSS 3.1, published 18 Oct 2024)
- [CVE-2020-8867: Insufficient Session Expiration and TOCTOU Race Condition in OPC FOundation UA .Net Standard](https://junglewise.ai/threats/cve-2020-8867-insufficient-session-expiration-and-toctou-race-condition-in-opc) (low, CVSS 3.1, published 2 Aug 2021)
- [CVE-2018-7559: OPC UA applications can allow a remote attacker to determine a Server's private key](https://junglewise.ai/threats/cve-2018-7559-opc-ua-applications-can-allow-a-remote-attacker-to-determine-a) (low, CVSS 3, published 16 Oct 2018)
- [CVE-2018-12086: High severity vulnerability that affects OPCFoundation.NetStandard.Opc.Ua](https://junglewise.ai/threats/cve-2018-12086-high-severity-vulnerability-that-affects-opcfoundation) (low, CVSS 3, published 16 Oct 2018)
- [CVE-2018-12087: Moderate severity vulnerability that affects OPCFoundation.NetStandard.Opc.Ua](https://junglewise.ai/threats/cve-2018-12087-moderate-severity-vulnerability-that-affects-opcfoundation) (low, CVSS 3, published 16 Oct 2018)

## Most severe OPCFoundation.NetStandard.Opc.Ua (NuGet) vulnerabilities

- [CVE-2020-8867: Insufficient Session Expiration and TOCTOU Race Condition in OPC FOundation UA .Net Standard](https://junglewise.ai/threats/cve-2020-8867-insufficient-session-expiration-and-toctou-race-condition-in-opc) (low, CVSS 3.1, published 2 Aug 2021)
- [CVE-2024-45526: Security Update for the OPC UA .NET Standard Stack](https://junglewise.ai/threats/cve-2024-45526-security-update-for-the-opc-ua-net-standard-stack) (low, CVSS 3.1, published 18 Oct 2024)
- [Duplicate Advisory: Authentication Bypass by Spoofing in OPC UA .NET Standard Stack](https://junglewise.ai/threats/duplicate-advisory-authentication-bypass-by-spoofing-in-opc-ua-net-ddfa6525) (low, CVSS 3.1, published 10 Feb 2025)
- [Duplicate Advisory: Authorization Bypass in OPC UA .NET Standard Stack](https://junglewise.ai/threats/duplicate-advisory-authorization-bypass-in-opc-ua-net-standard-stack-965ddb2c) (low, CVSS 3.1, published 10 Feb 2025)
- [Security Update for the OPC UA .NET Standard Stack](https://junglewise.ai/threats/security-update-for-the-opc-ua-net-standard-stack-2bb6ae26) (low, CVSS 3.1, published 18 Oct 2024)
- [CVE-2018-12086: High severity vulnerability that affects OPCFoundation.NetStandard.Opc.Ua](https://junglewise.ai/threats/cve-2018-12086-high-severity-vulnerability-that-affects-opcfoundation) (low, CVSS 3, published 16 Oct 2018)
- [CVE-2018-7559: OPC UA applications can allow a remote attacker to determine a Server's private key](https://junglewise.ai/threats/cve-2018-7559-opc-ua-applications-can-allow-a-remote-attacker-to-determine-a) (low, CVSS 3, published 16 Oct 2018)
- [CVE-2018-12087: Moderate severity vulnerability that affects OPCFoundation.NetStandard.Opc.Ua](https://junglewise.ai/threats/cve-2018-12087-moderate-severity-vulnerability-that-affects-opcfoundation) (low, CVSS 3, published 16 Oct 2018)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other NuGet technologies

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- [Magick.NET-Q16-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-anycpu): 167 vulnerabilities
- [Magick.NET-Q16-HDRI-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-anycpu): 162 vulnerabilities
- [Magick.NET-Q8-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-anycpu): 162 vulnerabilities
- [Magick.NET-Q16-HDRI-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x86): 160 vulnerabilities
- [Magick.NET-Q8-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-x86): 160 vulnerabilities
- [Magick.NET-Q16-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-x86): 159 vulnerabilities
- [Magick.NET-Q16-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-arm64): 157 vulnerabilities
- [Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-openmp-arm64): 157 vulnerabilities
- [Magick.NET-Q16-HDRI-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x64): 157 vulnerabilities
- [Magick.NET-Q16-OpenMP-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-openmp-arm64): 157 vulnerabilities
- [Magick.NET-Q16-OpenMP-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-openmp-x64): 157 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "OPCFoundation.NetStandard.Opc.Ua (NuGet) vulnerabilities", https://junglewise.ai/threats/technologies/opcfoundation-netstandard-opc-ua, 9 November 2026.
