VULNERABILITY INTELLIGENCE

CVE-2020-6986

CVSS score7.5 HIGH
EPSS probability1.59%
CISA KEVNot currently listed
Published2020-03-05
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

In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result.

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-400
  • nvd@nist.gov: CWE-400

Primary references