CVE-2011-4871: Input Validation
Published 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.
Affected Software
1 affected component
Opcsystems Opcsystems.net<=4.0
Event History
Apr 18, 2012
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2011-4871?
CVE-2011-4871 is classified as a denial of service vulnerability.
2
How do I fix CVE-2011-4871?
To fix CVE-2011-4871, upgrade to OPC Systems.NET version 5.0 or later.
3
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.
4
What type of attack does CVE-2011-4871 facilitate?
CVE-2011-4871 facilitates a denial of service attack through malformed .NET RPC packets.
5
What is the primary vector of CVE-2011-4871?
The primary vector of CVE-2011-4871 is through TCP port 58723.