CVE-2020-6986
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:Mar 5, 2020
Last Modified:Jun 2, 2026
EPS:Mar 5, 2020
EPSS Score:0.00665
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Omron
Product
Plc Cj1
Omron
Plc Cj1
Vendor
Omron
Product
Plc Cj1 Firmware
Omron
Plc Cj1 Firmware
Vendor
Omron
Product
Plc Cj2
Omron
Plc Cj2
Vendor
Omron
Product
Plc Cj2 Firmware
Omron
Plc Cj2 Firmware
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
