VULNERABILITY INTELLIGENCE

CVE-2021-32994

CVSS score7.5 HIGH
EPSS probability1.69%
CISA KEVNot currently listed
Published2022-04-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-119
  • nvd@nist.gov: CWE-119

Primary references