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.
History

Wed, 03 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2020-03-05T20:05:05.000Z

Updated: 2026-06-02T19:52:04.759Z

Reserved: 2020-01-14T00:00:00.000Z

Link: CVE-2020-6986

cve-icon Vulnrichment

Updated: 2024-08-04T09:18:02.467Z

cve-icon NVD

Status : Modified

Published: 2020-03-05T21:15:10.673

Modified: 2026-06-02T21:16:24.490

Link: CVE-2020-6986

cve-icon Redhat

No data.