CVE-2020-6986

7.5 HIGH
Published: March 05, 2020 Modified: June 02, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-063-03
Source: ics-cert@hq.dhs.gov
Mitigation Third Party Advisory US Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-063-03
Source: af854a3a-2127-422b-91ae-364da2661108
Mitigation Third Party Advisory US Government Resource

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
1.5%
71th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

omron