Buffer overflow in Softing Opc Ua C++ Sdk (Software Development Kit)

CVE-2021-32994

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…

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.6th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-32994?
CVE-2021-32994 is a high-severity vulnerability in Softing Opc Ua C++ Sdk (Software Development Kit), classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2022-04-04.
How severe is CVE-2021-32994?
High severity. CVSS v3 base score is 7.5 out of 10.