CVE-2021-42262 — MEDIUM (6.5)

Q: What is CVE-2021-42262?

CVE-2021-42262 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

Q: How severe is CVE-2021-42262?

CVE-2021-42262 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-42262?

Check the references section above for vendor advisories and patch information. Affected products include: Softing Datafeed Opc Suite, Softing Opc Ua C\+\+ Software Development Kit, Softing Secure Integration Server.

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
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

Related Weaknesses (CWE)

CWE-119

References

https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_BulleVendor Advisory
https://industrial.softing.com/us/solutions/opc-and-opc-ua.htmlVendor Advisory
https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_BulleVendor Advisory
https://industrial.softing.com/us/solutions/opc-and-opc-ua.htmlVendor Advisory

FAQ

What is CVE-2021-42262?

CVE-2021-42262 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

How severe is CVE-2021-42262?

CVE-2021-42262 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42262?

Check the references section above for vendor advisories and patch information. Affected products include: Softing Datafeed Opc Suite, Softing Opc Ua C\+\+ Software Development Kit, Softing Secure Integration Server.