CVE-2023-32787
First published: Mon May 15 2023(Updated: )
The OPC UA Legacy Java Stack before 6f176f2 enables an attacker to block OPC UA server applications via uncontrolled resource consumption so that they can no longer serve client applications.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opcfoundation Ua Java Legacy | <2023-04-28 | |
| Prosysopc Ua Historian | <1.2.0 | |
| Prosysopc Ua Modbus Server | <1.4.20 | |
| Prosysopc Ua Simulation Server | <5.4.2 |
Remedy
https://github.com/OPCFoundation/UA-Java-Legacy/commit/6f176f2b445a27c157f1a32f225accc9ce8873c0
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Reference Links
Frequently Asked Questions
What is CVE-2023-32787?
CVE-2023-32787 is a vulnerability in the OPC UA Legacy Java Stack that allows an attacker to block OPC UA server applications by consuming excessive resources.
How does CVE-2023-32787 impact the affected software?
CVE-2023-32787 can cause OPC UA server applications to become unresponsive, preventing them from serving client applications.
What is the severity of CVE-2023-32787?
CVE-2023-32787 has a severity rating of 7.5 (high).
How can I fix CVE-2023-32787?
To mitigate CVE-2023-32787, it is recommended to update to version 6f176f2 or later of the OPC UA Legacy Java Stack.
Where can I find more information about CVE-2023-32787?
More information about CVE-2023-32787 can be found in the OPC Foundation Security Bulletin and the related GitHub repositories.
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