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.
Published: 2020-03-05
Score: 7.5 High
EPSS: 1.5% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-28126 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'}


Subscriptions

Omron Plc Cj1 Plc Cj1 Firmware Plc Cj2 Plc Cj2 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

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: 2026-06-17T03:24:04.150

Link: CVE-2020-6986

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses