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Fencer Vulns
high 7.5

CVE-2022-29865 json

Incorrect Implementation of Authentication Algorithm in OPCFoundation.NetStandard.Opc.Ua.Core

published 2022-06-16 4 y ago modified 2026-06-17 4 mo ago also GHSA-fvxf-r9fw-49pc , EUVD-2022-6043

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

OPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials.

Patch / fix

  • nuget OPCFoundation.NetStandard.Opc.Ua.Core 1.4.368.58
  • opcfoundation ua_.net_standard_stack 1.4.368.58

Exploit prediction

1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
nuget OPCFoundation.NetStandard.Opc.Ua.Core
<1.4.368.58
1.4.368.58

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.