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CVE-2020-6986

nvd nist
Published: Mar 5, 2020Modified: Jun 2, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: 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.

Affected (2)

Omron
2 products
Plc Cj1 Firmware
Plc Cj2 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Plc Cj1 Firmware
All versions
Running on/withPlatform Versions
Omron
Plc Cj1
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Plc Cj2 Firmware
All versions
Running on/withPlatform Versions
Omron
Plc Cj2
All versions

Related CWEs

CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (2)

Source: ics-cert@hq.dhs.gov
MitigationThird Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
MitigationThird Party AdvisoryUS Government Resource

Timeline

No history available yet.