VULNERABILITY INTELLIGENCE

CVE-2020-27297

CVSS score9.8 CRITICAL
EPSS probability2.51%
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:H/I:H/A:H

Description

The affected product is vulnerable to a heap-based buffer overflow, which may allow an attacker to manipulate memory with controlled values and remotely execute code on the OPC UA Tunneller (versions prior to 6.3.0.8233).

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-122
  • nvd@nist.gov: CWE-787

Primary references