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.

CVSS 3.1

5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-25)

CWE

CWE-305

Published

2025-02-10

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• opcfoundation:ua_.net_standard_stack

References

• https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2024-42513.pdf
• https://cert-portal.siemens.com/productcert/html/ssa-858251.html

Check your stackJSON