CVE-2011-4871: Input Validation
First published: Wed Apr 18 2012(Updated: )
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.
Credit: cret@cert.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opcsystems | <=4.0 |
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Frequently Asked Questions
What is the severity of CVE-2011-4871?
CVE-2011-4871 is classified as a denial of service vulnerability.
How do I fix CVE-2011-4871?
To fix CVE-2011-4871, upgrade to OPC Systems.NET version 5.0 or later.
Which versions of OPC Systems.NET are affected by CVE-2011-4871?
OPC Systems.NET versions prior to 5.0, including all versions up to 4.0, are affected by CVE-2011-4871.
What type of attack does CVE-2011-4871 facilitate?
CVE-2011-4871 facilitates a denial of service attack through malformed .NET RPC packets.
What is the primary vector of CVE-2011-4871?
The primary vector of CVE-2011-4871 is through TCP port 58723.
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