CVE-2024-42513

Name: CVE-2024-42513
Creator: NVD / NIST
Published: 2025-02-10T19:15:38.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2024-42513 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.51%

39.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-305

Affected Software

Vendor	Product	Versions
Opcfoundation	Ua .Net Standard Stack	< 1.5.374.158

References

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

Timeline

Published: Feb 10, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

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.

How severe is CVE-2024-42513?

CVE-2024-42513 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2024-42513?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-42513?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST