CVE-2022-29864

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-06-16 · updated 2026-06-17
Weakness: CWE-400

Description

OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to cause a server to crash via a large number of messages that trigger Uncontrolled Resource Consumption.

Affected products

Opcfoundation Ua .Net Standard Stack: before 1.4.368.58 — fixed in 1.4.368.58

How to fix

Upgrade to a fixed version: Opcfoundation Ua .Net Standard Stack 1.4.368.58. Check the vendor advisory for mitigations.

References

https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29864.pdf
https://opcfoundation.org/security/
https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29864.pdf
https://opcfoundation.org/security/

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