VULNERABILITY INTELLIGENCE

CVE-2020-27274

CVSS score7.5 HIGH
EPSS probability1.16%
CISA KEVNot currently listed
Published2021-01-26
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

Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233).

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-754
  • nvd@nist.gov: CWE-754

Primary references