Warning Date: 8 March, 2020
Severity Level ● High
Warning Number: 2020-998
Target Sector: Manufacturing
Omron has released an alert to address a vulnerability in the following product:
- Omron PLC CJ series
- all versions
Attacker could exploit the vulnerability and execute Denial of service attack (DoS).
Best practice and Recommendations:
To reduce the effects of the vulnerability, please follow the following instructions :
- Use the firewall to block unnecessary ports and IP addresses.
- Minimize connecting the devices and the systems to the Internet .
- When accessing remote devices and systems is required, use VPNs, ensure they are up-to-date and free from vulnerabilities, and review the VPN users' logs.