VULNERABILITY INTELLIGENCE

CVE-2021-27432

CVSS score7.5 HIGH
EPSS probability1.95%
CISA KEVNot currently listed
Published2021-05-20
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

OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-674

Primary references