Insufficient verification of data authenticity in SYSMAC NJ Series and SYSMAC NX Series - CVE-2022-31206
Published: June 29, 2022
Vulnerability identifier: #VU64803
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-31206
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Omron
Affected software:
SYSMAC NJ Series
SYSMAC NX Series
SYSMAC NJ Series
SYSMAC NX Series
Detailed vulnerability description
The vulnerability allows a remote user to compromsie the target system.
The vulnerability exists due to the logic that is downloaded to the PLC is not cryptographically authenticated. A remote administrator can manipulate transmitted object code to the PLC and execute arbitrary machine code on the processor of the PLC's CPU module.
How to mitigate CVE-2022-31206
Install updates from vendor's website.