# CVE-2024-45526: Security Update for the OPC UA .NET Standard Stack

Source: https://junglewise.ai/threats/cve-2024-45526-security-update-for-the-opc-ua-net-standard-stack  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-10-18  
License: CC BY 4.0 with a link back

CVE-2024-45526 · Severity: low · CVSS 3.1 · Published 2024-10-18

Security Update for the OPC UA .NET Standard Stack

Technologies: [OPCFoundation.NetStandard.Opc.Ua (NuGet)](https://junglewise.ai/threats/technologies/opcfoundation-netstandard-opc-ua), [OPCFoundation.NetStandard.Opc.Ua.Core (NuGet)](https://junglewise.ai/threats/technologies/opcfoundation-netstandard-opc-ua-core). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2024-45526 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-45526 being exploited in the wild.

**How severe is CVE-2024-45526?** Low severity, with a CVSS score of 3.1, published 18 October 2024.

**Which products and versions are affected?** OPCFoundation.NetStandard.Opc.Ua (NuGet) ECOSYSTEM:introduced=0,fixed=1.5.374.118; OPCFoundation.NetStandard.Opc.Ua.Core (NuGet) ECOSYSTEM:introduced=0,fixed=1.5.374.118.

**Is there a fix for CVE-2024-45526?** Yes. OPCFoundation.NetStandard.Opc.Ua (NuGet): upgrade to 1.5.374.118 or later; OPCFoundation.NetStandard.Opc.Ua.Core (NuGet): upgrade to 1.5.374.118 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2024-45526?** Check whether you run OPCFoundation.NetStandard.Opc.Ua (NuGet) or OPCFoundation.NetStandard.Opc.Ua.Core (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- OPCFoundation.NetStandard.Opc.Ua (NuGet): upgrade to 1.5.374.118 or later

  ```sh
  dotnet add package OPCFoundation.NetStandard.Opc.Ua --version 1.5.374.118
  ```

- OPCFoundation.NetStandard.Opc.Ua.Core (NuGet): upgrade to 1.5.374.118 or later

  ```sh
  dotnet add package OPCFoundation.NetStandard.Opc.Ua.Core --version 1.5.374.118
  ```


## Affected products

- OPCFoundation.NetStandard.Opc.Ua (NuGet) ECOSYSTEM:introduced=0,fixed=1.5.374.118
- OPCFoundation.NetStandard.Opc.Ua.Core (NuGet) ECOSYSTEM:introduced=0,fixed=1.5.374.118

## Identifiers

- CVE-2024-45526
- GHSA-7vfh-cqpc-4267

## Related threats

- [Security Update for the OPC UA .NET Standard Stack](https://junglewise.ai/threats/cve-2024-42512-security-update-for-the-opc-ua-net-standard-stack)
- [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)
- [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)
- [Security Update for the OPC UA .NET Standard Stack](https://junglewise.ai/threats/security-update-for-the-opc-ua-net-standard-stack-2bb6ae26)
- [OPCFoundation.NetStandard.Opc.Ua.Core buffer-management vulnerability](https://junglewise.ai/threats/cve-2024-33862-opcfoundation-netstandard-opc-ua-core-buffer-management)