GHSA-4rcc-7pg7-f57f · Severity: medium · Ecosystem: nuget — Security Update for the OPC UA .NET Standard Stack
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.
Conclusion & alert: CVE-2024-42513 is rated Low Risk (26.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-11 | 0.05% | 0.05% | -0.01% |
| 2 | 2026-03-21 | 0.03% | 0.05% | +0.03% |
| 3 | 2025-11-21 | — | 0.03% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-4rcc-7pg7-f57f · Severity: medium · Ecosystem: nuget — Security Update for the OPC UA .NET Standard Stack
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| opcfoundation | ua_.net_standard_stack | < 1.5.374.158 | cpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:* |