CVE-2021-42577

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.5 /10

CVSS v3 : 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

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

18 Mar 2022, 20:41

Type Values Removed Values Added
First Time Softing opc Ua C\+\+ Software Development Kit
Softing secure Integration Server
Softing
Softing datafeed Opc Suite
CWE CWE-476
CPE cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit:*:*:*:*:*:*:*:*
cpe:2.3:a:softing:secure_integration_server:*:*:*:*:*:*:*:*
cpe:2.3:a:softing:datafeed_opc_suite:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (MISC) https://softing.com - (MISC) https://softing.com - Vendor Advisory
References (MISC) https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-42577.pdf - (MISC) https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-42577.pdf - Vendor Advisory

11 Mar 2022, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-11 23:15

Updated : 2023-12-10 14:22

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