CVE-2011-4871
UnknownEPSS 3.16%
Last modified
CVE-2011-4871 is a vulnerability of currently unknown severity. Open Automation Software OPC Systems.NET before 5.0 allows remote attackers to cause a denial of service via a malformed .NET RPC packet on TCP port 58723.. EPSS estimates a 3.16% chance of exploitation in the next 30 days.
Description
Open Automation Software OPC Systems.NET before 5.0 allows remote attackers to cause a denial of service via a malformed .NET RPC packet on TCP port 58723.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Opcsystems | Opcsystems.Net | <= 4.0 |
References
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-012-01.pdfUS Government Resource
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-012-01.pdfUS Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-4871?
Open Automation Software OPC Systems.NET before 5.0 allows remote attackers to cause a denial of service via a malformed .NET RPC packet on TCP port 58723.
How severe is CVE-2011-4871?
Severity scoring for CVE-2011-4871 is pending analysis. The EPSS model estimates a 3.16% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4871?
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-2011-4871?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST