Service Denial Vulnerability in Omron PLC CJ Series Ethernet Module
CVE-2020-6986
7.5HIGH
What is CVE-2020-6986?
In all versions of the Omron PLC CJ Series, a vulnerability allows an attacker to send a sequence of specific data packets in rapid succession. This activity can trigger a service error on the Ethernet module of the PLC, leading to a denial of service condition, effectively disrupting normal operations and impacting the functionality of the PLC.

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Affected Version(s)
Omron PLC CJ Series all versions
References
CVSS V3.1
Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
