CVEvulnerability
CVE-2023-32787
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-05-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400
Description
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.
Affected configurations
• 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)
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-32787.pdf Patch, Vendor Advisory
- https://github.com/OPCFoundation/UA-Java-Legacy Product
- https://github.com/OPCFoundation/UA-Java-Legacy/commit/6f176f2b445a27c157f1a32f225accc9ce8873c0 Patch
- https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-32787.pdf Patch, Vendor Advisory
- https://github.com/OPCFoundation/UA-Java-Legacy Product
- https://github.com/OPCFoundation/UA-Java-Legacy/commit/6f176f2b445a27c157f1a32f225accc9ce8873c0 Patch