CVE-2022-29866

mediumpriority · track · 31EPSS 0.017 · 77 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.68% (77th) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted request that triggers Uncontrolled Resource Consumption.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400US

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
opcfoundation ua .net standard stack< 1.4.368.58nvdUScpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:*
NuGet OPCFoundation.NetStandard.Opc.Ua.Core< 1.4.368.58osvUSpkg:nuget/OPCFoundation.NetStandard.Opc.Ua.Core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-6fp8-cxc9-4fr9Uncontrolled Resource Consumption in OPCFoundation.NetStandard.Opc.Ua.Core2022-06-17ghsa · osvUS
A vulnerability was discovered in the OPC UA .NET Standard Stack that allows a malicious client to trigger a stack overflow exception in a server that exposes an HTTPS endpoint.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2022-06-16modified 2026-06-17

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+9620 more

references (7)

External citations — patches, advisories, analysis.

scry

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