What is CVE-2021-42262?

CVE-2021-42262 is a vulnerability in Softing OPC UA C++ SDK before version 5.70 that can cause an out-of-memory condition and crash the OPC/UA client.

What is the severity of CVE-2021-42262?

The severity of CVE-2021-42262 is medium (CVSS 3.1 score of 6.5).

Which software is affected by CVE-2021-42262?

Softing Datafeed Opc Suite (up to version 5.19), Softing Opc Ua C++ Software Development Kit (between version 5.56.0 and 5.70.0), and Softing Secure Integration Server (up to version 1.22) are affected by CVE-2021-42262.

How can CVE-2021-42262 be exploited?

CVE-2021-42262 can be exploited by sending a specially crafted XML element in the type dictionary, causing an out-of-memory condition and crashing the OPC/UA client.

How can I fix CVE-2021-42262?

To fix CVE-2021-42262, users should update to Softing OPC UA C++ SDK version 5.70 or later.

Vulnerability/
CVE-2021-42262

medium

6.5

CWE

119

11/3/2022

4/8/2024

CVE-2021-42262: Buffer Overflow

First published: Fri Mar 11 2022(Updated: )

An issue was discovered in Softing OPC UA C++ SDK before 5.70. An invalid XML element in the type dictionary makes the OPC/UA client crash due to an out-of-memory condition.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Softing Datafeed Opc Suite	<=5.19
Softing Opc Ua C\+\+ Software Development Kit	>=5.56.0<5.70.0
Softing Secure Integration Server	<=1.22

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Frequently Asked Questions

What is CVE-2021-42262?
CVE-2021-42262 is a vulnerability in Softing OPC UA C++ SDK before version 5.70 that can cause an out-of-memory condition and crash the OPC/UA client.
What is the severity of CVE-2021-42262?
The severity of CVE-2021-42262 is medium (CVSS 3.1 score of 6.5).
Which software is affected by CVE-2021-42262?
Softing Datafeed Opc Suite (up to version 5.19), Softing Opc Ua C++ Software Development Kit (between version 5.56.0 and 5.70.0), and Softing Secure Integration Server (up to version 1.22) are affected by CVE-2021-42262.
How can CVE-2021-42262 be exploited?
CVE-2021-42262 can be exploited by sending a specially crafted XML element in the type dictionary, causing an out-of-memory condition and crashing the OPC/UA client.
How can I fix CVE-2021-42262?
To fix CVE-2021-42262, users should update to Softing OPC UA C++ SDK version 5.70 or later.

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collector/mitre-cve
source/MITRE
vendor/softing
canonical/softing datafeed opc suite
version/softing datafeed opc suite/5.19
canonical/softing opc ua c\+\+ software development kit
version/softing opc ua c\+\+ software development kit/5.56.0
canonical/softing secure integration server
version/softing secure integration server/1.22

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