CVE-2024-42513

MEDIUM

Published Feb 10, 2025 Modified Oct 2, 2025 CWE-305

Description

Vulnerability in the OPC UA .NET Standard Stack before 1.5.374.158 allows an unauthorized attacker to bypass application authentication when using HTTPS endpoints.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-305 CWE-305

Affected Products

Vendor	Product	Versions
opcfoundation	ua_.net_standard_stack	< 1.5.374.158

References

Advisories & Patches

https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2024-42513.pdf

Frequently Asked Questions

What is CVE-2024-42513? +

Vulnerability in the OPC UA .NET Standard Stack before 1.5.374.158 allows an unauthorized attacker to bypass application authentication when using HTTPS endpoints. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2024-42513? +

CVE-2024-42513 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-42513? +

CVE-2024-42513 affects products from opcfoundation, specifically: ua_.net_standard_stack. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-42513? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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