CVE-2021-42577

An issue was discovered in Softing OPC UA C++ SDK before 5.70. A malformed OPC/UA message abort packet makes the client crash with a NULL pointer dereference.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-42577.pdf	Vendor Advisory
https://softing.com	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:softing:datafeed_opc_suite::::::::
	cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit::::::::
	cpe:2.3:a:softing:secure_integration_server::::::::

History

No history.

Information

Published : 2022-03-11 23:15

Updated : 2024-02-28 19:09

NVD link : CVE-2021-42577

Mitre link : CVE-2021-42577

CVE.ORG link : CVE-2021-42577

JSON object : View

Products Affected

softing

datafeed_opc_suite
opc_ua_c\+\+_software_development_kit
secure_integration_server

CWE

CWE-476

NULL Pointer Dereference

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