CVE-2022-29865

mediumpriority · track · 31EPSS 0.016 · 76 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.62% (76th) 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 allows a remote attacker to bypass the application authentication check via crafted fake credentials.

01

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:P/A:Nprimary · 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:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · OSV
v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (3)

Products and version ranges known to be affected.

04

advisories (1)

Vendor and ecosystem advisories describing this.

  • GHSA-fvxf-r9fw-49pcIncorrect Implementation of Authentication Algorithm 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 or server to bypass the application authentication mechanism - and allow a connection to an untrusted peer.

05

also known as (3)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2022-06-16modified 2026-06-17
08

references (8)

External citations — patches, advisories, analysis.

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