CVE-2021-32994

HIGH

Softing OPC UA C++ SDK <5.65 - Memory Corruption

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_confirm
https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02

Scores

CVSS v3 7.5
EPSS 0.0163
EPSS Percentile 73.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-119
Status published
Products (1)
softing/opc_ua_c\+\+_software_development_kit 5.59.0 - 5.65.0
Published Apr 04, 2022
Tracked Since Feb 18, 2026