Opcsystems Opcsystems.net 4.0 input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in Opcsystems Opcsystems.net 4.0. It has been rated as problematic. This issue affects some unknown processing. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

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.

The weakness was published 04/18/2012 (Website). The advisory is shared at us-cert.gov. The identification of this vulnerability is CVE-2011-4871 since 12/21/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 4.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (74924).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Opcsystems.net 4.0

Timelineinfo

10/10/2011 🔍
12/21/2011 +72 days 🔍
04/18/2012 +119 days 🔍
04/18/2012 +0 days 🔍
10/29/2012 +194 days 🔍
03/23/2015 +875 days 🔍
04/20/2017 +759 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Status: Not defined

CVE: CVE-2011-4871 (🔍)
X-Force: 74924
Vulnerability Center: 36864 - OPC Systems.NET Before 5.0 Remote DoS Vulnerability via a Crafted .NET RPC Packet on TCP Port 58723, High

Entryinfo

Created: 03/23/2015 16:50
Updated: 04/20/2017 13:46
Changes: 03/23/2015 16:50 (53), 04/20/2017 13:46 (1)
Complete: 🔍

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