CVE-2022-29863

Name: CVE-2022-29863
Creator: NVD / NIST
Published: 2022-06-16T18:15:10.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.30%

Last modified Jun 17, 2026

CVE-2022-29863 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. OPC UA .NET Standard Stack 1.04.368 allows remote attacker to cause a crash via a crafted message that triggers excessive memory allocation.. EPSS estimates a 1.30% chance of exploitation in the next 30 days.

Description

OPC UA .NET Standard Stack 1.04.368 allows remote attacker to cause a crash via a crafted message that triggers excessive memory allocation.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.30%

66.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Opcfoundation	Ua .Net Standard Stack	< 1.4.368.58

References

https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29863.pdfPatch, Vendor Advisory
https://opcfoundation.org/security/Vendor Advisory
https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29863.pdfPatch, Vendor Advisory
https://opcfoundation.org/security/Vendor Advisory

Timeline

Published: Jun 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29863?

OPC UA .NET Standard Stack 1.04.368 allows remote attacker to cause a crash via a crafted message that triggers excessive memory allocation.

How severe is CVE-2022-29863?

CVE-2022-29863 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29863?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-29863?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST