EUVD-2025-5034PublishedWithdrawn

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.

Collected exploitation and prediction evidence

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

CVE-2024-42513

No KEV entry is attached to this observation; this is not evidence that exploitation is absent.

FIRST EPSS: 0.58 % · percentile 47.82 % · scored 8 Nov 2026.

Observed 08 Nov 2026 15:12:21 UTC · Complete immutable risk JSON

cve-program · CVE-2024-42513

Published

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.

Source published: 10 Feb 2025 00:00:00 UTC
Source modified: 15 Oct 2026 00:48:22 UTC
Observed here: 23 Oct 2026 15:48:27 UTC
Source terms: CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

euvd · EUVD-2025-5034

Published

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.

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Feb 10, 2025, 12:00:00 AM

dateUpdated: Oct 15, 2026, 12:48:22 AM

4 related source bulletins · separate from aliases

ICSA-25-072-09: Siemens OPC UA

CVE-2024-42512 · CVE-2024-42513

NCSC-2025-0077: Kwetsbaarheden verholpen in Siemens producten

CVE-2024-1305 · CVE-2024-4877 · CVE-2024-5594 · CVE-2024-24974 · CVE-2024-27459 · CVE-2024-27903 · CVE-2024-28882 · CVE-2024-41046 · CVE-2024-41049 · CVE-2024-41055 · CVE-2024-42154 · CVE-2024-42161 · CVE-2024-42512 · CVE-2024-42513 · CVE-2024-52285 · CVE-2024-56181 · CVE-2024-56182 · CVE-2024-56336 · CVE-2025-23384 · CVE-2025-23396 · CVE-2025-23397 · CVE-2025-23398 · CVE-2025-23399 · CVE-2025-23400 · CVE-2025-23401 · CVE-2025-23402 · CVE-2025-25266 · CVE-2025-25267 · CVE-2025-27392 · CVE-2025-27393 · CVE-2025-27394 · CVE-2025-27395 · CVE-2025-27396 · CVE-2025-27397 · CVE-2025-27398 · CVE-2025-27438 · CVE-2025-27493 · CVE-2025-27494

WID-SEC-W-2025-0298: OPC Foundation OPC UA .NET Standard Stack: Mehrere Schwachstellen ermöglichen Umgehen von Sicherheitsvorkehrungen

CVE-2024-42512 · CVE-2024-42513

SSA-858251: SSA-858251: Authentication Bypass Vulnerabilities in OPC UA

CVE-2024-42512 · CVE-2024-42513

Source published: Feb 10, 2025, 12:00:00 AM (timezone not stated)
Source modified: Oct 15, 2026, 12:48:22 AM (timezone not stated)
Observed here: 9 Nov 2026 01:04:50 UTC
Source terms: ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.

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

nvd · CVE-2024-42513

Published

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.

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Modified

Weakness classifications: CWE-305

Original publisher date fields

published: 2025-02-10T19:15:38.023

lastModified: 2026-10-15T01:18:47.157

1 source CPE criteria · context only

cpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published: 10 Feb 2025 19:15:38 UTC
Source modified: 15 Oct 2026 01:18:47 UTC
Observed here: 25 Oct 2026 00:17:28 UTC
Source terms: NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: nvd · NIST NVD usage terms; underlying source attribution retained. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary · 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

osv · GHSA-4rcc-7pg7-f57f

Published

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.

Source published: 3 Mar 2025 20:09:54 UTC
Source modified: 3 Mar 2025 20:41:46 UTC
Observed here: 23 Oct 2026 16:01:25 UTC
Source terms: GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: osv · GitHub Advisory Database · CC-BY-4.0. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS_V3 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Publisher rating · MODERATE

osv · GHSA-7wwr-h8cm-9jf7

Withdrawn

## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-4rcc-7pg7-f57f. This link is maintained to preserve external references. ## Original 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.

Source published: 10 Feb 2025 21:31:37 UTC
Source modified: 3 Mar 2025 20:26:53 UTC
Observed here: 23 Oct 2026 16:01:25 UTC
Source terms: GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

CVSS_V3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Publisher rating · MODERATE