CVE-2024-45526

mediumpriority · track · 0EPSS 0.005 · 43 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.50% (43rd) EPSS

CVSS 5.3 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-26

An issue was discovered in OPC Foundation OPCFoundation/UA-.NETStandard through 1.5.374.78. A remote attacker can send requests with invalid credentials and cause the server performance to degrade gradually.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondaryexploitability 3.9 · impact 1.4

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · OSV

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USCWE-770US

affected products (5)

Products and version ranges known to be affected.

OPC Foundation OPC UA .NET Standard Stack <1.5.374.118all versionscert_bundDE
OPC Foundation OPC UA .NET Standard Stack< 1.5.374.118cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
NuGet OPCFoundation.NetStandard.Opc.Ua< 1.5.374.118osvUSpkg:nuget/OPCFoundation.NetStandard.Opc.Ua
NuGet OPCFoundation.NetStandard.Opc.Ua.Core< 1.5.374.118osvUSpkg:nuget/OPCFoundation.NetStandard.Opc.Ua.Core

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-3239OPC UA .NET Standard Stack: Schwachstelle ermöglicht Denial of ServiceDeutsch2024-10-17csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OPC UA .NET Standard Stack ausnutzen, um einen Denial of Service Angriff durchzuführen.
GHSA-7vfh-cqpc-4267Security Update for the OPC UA .NET Standard Stack2024-10-18ghsa · osvUS
This security update resolves a vulnerability in the OPC UA .NET Standard Stack that allows an unauthorized attacker to trigger a gradual degradation in performance.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv NVD CVE.org MITRE

published 2024-10-22modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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