CVE-2021-32994

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-119

Affected software

VendorProductVersions
SoftingOPC UA C++ SDK (Software Development Kit)>= 5.59, < 5.64

References

Timeline

Published
Apr 4, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-32994: High severity, CVSS 7.5 | Vulnix