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Vulnerability record · CVE-2022-39823 · published 20 October 2022

CVE-2022-39823: Softing opc use after free vulnerability

Softing · Opc

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

7.5 CVSS 3.1 High EPSS 0.69% · top 49.1% CWE-416 · Use after free
7.5CVSS 3.1 base score
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://industrial.softing.com/fileadmin/psirt/downloads/syt-2022-8.html MitigationVendor Advisory
https://www.softing.com Vendor Advisory
https://industrial.softing.com/fileadmin/psirt/downloads/syt-2022-8.html MitigationVendor Advisory
https://www.softing.com Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-2336Softing edgeaggregator improper authentication vulnerabilitySofting Secure Integration Server, edgeConnector, and edgeAggregator software ships with the default administrator credentials as `admin` and passwor…EPSS 1.00%9.8CVE-2020-14524Softing opc heap-based buffer overflow vulnerabilitySofting Industrial Automation all versions prior to the latest build of version 4.47.0, The affected product is vulnerable to a heap-based buffer ove…EPSS 2.5%7.5CVE-2023-27334Softing edgeaggregator uncontrolled resource consumption vulnerabilitySofting edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to cre…EPSS 1.4%7.5CVE-2023-41151Softing opc uncontrolled resource consumption vulnerabilityAn uncaught exception issue discovered in Softing OPC UA C++ SDK before 6.30 for Windows operating system may cause the application to crash when the…EPSS 0.70%7.5CVE-2023-37572Softing opc incorrect default permissions vulnerabilitySofting OPC Suite version 5.25 and before has Incorrect Access Control, allows attackers to obtain sensitive information via weak permissions in OSF_…EPSS 0.59%7.5CVE-2022-37453Softing edgeaggregator out-of-bounds write vulnerabilityAn issue was discovered in Softing OPC UA C++ SDK before 6.10. A buffer overflow or an excess allocation happens due to unchecked array and matrix bo…EPSS 0.77%7.5CVE-2022-2335Softing edgeaggregator vulnerabilityA crafted HTTP packet with a -1 content-length header can create a denial-of-service condition in Softing Secure Integration Server V1.22.EPSS 1.5%7.5CVE-2022-2337Softing edgeaggregator null pointer dereference vulnerabilityA crafted HTTP packet with a missing HTTP URI can create a denial-of-service condition in Softing Secure Integration Server V1.22.EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2022-39823), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.