6.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2024-42513

CVE-2024-42513: Security Update for the OPC UA .NET Standard Stack

This security update resolves a vulnerability in the OPC UA .NET Standard Stack that allows an unauthorized attacker to bypass application authentication when using HTTPS endpoints.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2024-42513

CVE-2024-42513:

6.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
OPCFoundation.NetStandard.Opc.Ua.Bindings.Https	nuget	< 1.5.374.158	1.5.374.158

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability describes an HTTPS authentication bypass in the OPC UA .NET stack, which implies flaws in the transport layer security implementation. The CWEs (290/305) suggest weaknesses in authentication protocol enforcement. The HttpsTransportListener and HttpsChannel classes are core HTTPS binding components where certificate validation and session authentication would occur. While exact patch details are unavailable, these functions are critical points for TLS handshake handling and session authentication state management. The medium confidence reflects the need for code diff validation, but the technical description strongly implicates HTTPS binding authentication flow components.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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