Use After Free in Softing Opc
CVE-2022-39823
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
Vulnerability class: Use-After-Free
EPSS: 0.006 (46.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Softing Opc
- Softing Opc_ua_c\+\+_software_development_kit
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-39823?
- CVE-2022-39823 is a high-severity vulnerability in Softing Opc, classified under Use After Free. CVSS score: 7.5/10. Published 2022-10-20.
- How severe is CVE-2022-39823?
- High severity. CVSS v3 base score is 7.5 out of 10.