CVE-2021-32994 HIGH

CVE-2021-32994: Softing OPC-UA C++ SDK Improper Restriction of Operations within the Bounds of a Memory Buffer

Vendor Softing
Product OPC UA C++ SDK (Software Development Kit)
Weakness CWE-119
Published April 4, 2022
Last update April 16, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Softing OPC UA C++ SDK (Software Development Kit) versions from 5.59 to 5.64 exported library functions don't properly validate received extension objects, which may allow an attacker to crash the software by sending a variety of specially crafted packets to access several unexpected memory locations.

Key dates

02Disclosure timeline

April 4, 2022 CVE published
April 16, 2025 Record updated