CVE-2023-32787
HIGHCVSS 7.5/10EPSS 1.17%
Last modified
CVE-2023-32787 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-32787?
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.
How severe is CVE-2023-32787?
CVE-2023-32787 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.
How do I fix CVE-2023-32787?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-32787?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST