VULNERABILITY INTELLIGENCE

CVE-2021-42577

CVSS score7.5 HIGH
EPSS probability0.96%
CISA KEVNot currently listed
Published2022-03-11
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

An issue was discovered in Softing OPC UA C++ SDK before 5.70. A malformed OPC/UA message abort packet makes the client crash with a NULL pointer dereference.

Weakness classification

  • nvd@nist.gov: CWE-476

Primary references