CVE-2022-39823

HIGH

Softing OPC UA C++ SDK 5.66-6.x - Use-After-Free via OPC/UA Browse Request Continuation Points

Title source: llm
STIX 2.1

Description

An issue was discovered in Softing OPC UA C++ SDK 5.66 through 6.x before 6.10. An OPC/UA browse request exceeding the server limit on continuation points may cause a use-after-free error

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0063
EPSS Percentile 45.8%
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-416
Status published
Products (2)
softing/opc 5.20 - 5.22
softing/opc_ua_c\+\+_software_development_kit 5.70 - 6.00
Published Oct 20, 2022
Tracked Since Feb 18, 2026