Resource exhaustion in Omron PLC CJ series - CVE-2020-6986
Published: March 4, 2020
Vulnerability identifier: #VU25759
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-6986
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Omron
Affected software:
Omron PLC CJ series
Omron PLC CJ series
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource management in excessive malformed packet processing. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack on the PLC service.
How to mitigate CVE-2020-6986
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.