CVE-2021-32994

Softing OPC-UA C++ SDK Improper Restriction of Operations within the Bounds of a Memory Buffer

State: Published
Severity: 7.5 High
Published: Apr 4, 2022
Updated: Apr 16, 2025
Reserved: May 13, 2021

Description

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 crafted packets to access several unexpected memory locations.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	icscert

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
OPC UA C++ SDK (Software Development Kit)Softing	5.59 to before 5.64Affected

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02

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