TI-2022-18821 Aliases CVE-2022-39823 GHSA-6mw3-7v65-29gj

An issue was discovered in Softing OPC UA C++ SDK 5.66 through 6.x before 6.10.

MEDIUM 40CWE-416Published 2022-10-20 · Updated 2025-05-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00768 55th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:softing:opc::::::::	5.20 – 5.22	Vulnerable	Softing
cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit::::::::	5.70 – 6.00	Vulnerable	Softing

cpe:2.3:a:softing:opc:*:*:*:*:*:*:*:* Versions 5.20 – 5.22 Vulnerable ·Softing
cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit:*:*:*:*:*:*:*:* Versions 5.70 – 6.00 Vulnerable ·Softing

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-39823
2026-10-03 Alias added: GHSA-6mw3-7v65-29gj

References

Advisory 2

TI-2022-02157 Softing Secure Integration Server Improper Authentication CVSS 3.1CRITICAL 9.8
TI-2022-02155 Softing Secure Integration Server Uncontrolled Search Path Element CVSS 3.1HIGH 7.2
TI-2022-01254 Softing Secure Integration Server Relative Path Traversal CVSS 3.1HIGH 7.2
TI-2020-11375 Heap-based buffer overflow in Softing Industrial Automation all versions prior to the… CVSS 3.1CRITICAL 9.8
TI-2022-02353 Softing Secure Integration Server NULL Pointer Dereference CVSS 3.1HIGH 7.5
TI-2022-02158 Softing Secure Integration Server NULL Pointer Dereference CVSS 3.1HIGH 7.5

See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences