#VU23585 Authentication Bypass by Capture-replay in Omron PLC CS series and Omron PLC CJ series - CVE-2019-13533
Published: December 13, 2019
Vulnerability identifier: #VU23585
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-13533
CWE-ID: CWE-294
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Omron PLC CS series
Omron PLC CJ series
Omron PLC CS series
Omron PLC CJ series
Software vendor:
Omron
Omron
Description
The vulnerability allows a remote attacker to bypass authentication on the target system.
The vulnerability exists in the FINS communication protocol due to the FINS communication packet between a controller and a PLC may be monitored and it may invite replay attack using commands for the PLC. A remote attacker can cause opening and closing of industrial valves.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.