CVE Vulnerability

CVE-2021-40871

An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a OPC/UA client. The client process may crash unexpectedly because of a wrong type cast, and must be restarted.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://industrial.softing.com/ Vendor Advisory
https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin-CVE-2021-40871.pdf Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:softing:secure_integration_server:*:*:*:*:*:*:*:*
cpe:2.3:a:softing:datafeed_opc_suite:*:*:*:*:*:*:*:*
cpe:2.3:a:softing:th_scope:*:*:*:*:*:*:*:*
cpe:2.3:a:softing:opc:*:*:*:*:*:*:*:*
Information

Published : 2021-11-10 11:15

Updated : 2021-11-16 02:47

NVD link : CVE-2021-40871

Mitre link : CVE-2021-40871

Products Affected
No products.
CWE
CWE-843