Unrated severityNVD Advisory· Published Apr 18, 2012· Updated Jun 16, 2026

CVE-2011-4871

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Opcsystems/Opcsystems.net
cpe:2.3:a:opcsystems:opcsystems.net:*:*:*:*:*:*:*:*
Range: <=4.0
Open Automation Software/Open Automation Softwarellm-fuzzy
Range: <5.0

Patches

Vulnerability mechanics

References

www.us-cert.gov/control_systems/pdf/ICSA-12-012-01.pdfnvdUS Government Resource

News mentions

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