CVE-2022-31205: High severity omron sysmac cs1 firmware vulnerability
Published Jul 26, 2022
·Updated
In Omron CS series, CJ series, and CP series PLCs through 2022-05-18, the password for access to the Web UI is stored in memory area D1449...D1452 and can be read out using the Omron FINS protocol without any further authentication.
Affected Software
22 affected componentsFixes available
Omron Sysmac Cs1 Firmware<4.1
Omron SYSMAC CS1
Omron Sysmac Cj2m Firmware<2.1
Omron SYSMAC CJ2M
Omron Sysmac Cj2h Firmware<1.5
Omron SYSMAC CJ2H
Omron Sysmac Cp1e Firmware<1.30
Omron Sysmac Cp1e
Omron Sysmac Cp1h Firmware<1.30
Omron Sysmac Cp1h
Omron Sysmac Cp1l Firmware<1.10
Omron SYSMAC CP1L
Omron Cp1w-cif41 Firmware
Omron CP1W-CIF41
Omron SYSMAC CS1<4.1
4.1
Omron SYSMAC CJ2M<2.1
2.1
Omron SYSMAC CJ2H<1.5
1.5
Omron SYSMAC CP1E/CP1H<1.30
1.30
Omron SYSMAC CP1L<1.10
1.10
Omron CP1W-CIF41
Omron SYSMAC CX-Programmer<9.6
9.6
Omron SYSMAC NJ/NX Series: Versions prior to 1.49 (1.29 for NX7)
Event History
Jul 26, 2022
CVE Published
via MITRE·09:28 PM
Data Sourced
via MITRE·09:28 PM
Description
Frequently Asked Questions
1
What is the vulnerability identifier for this Omron PLC vulnerability?
The vulnerability identifier for this Omron PLC vulnerability is CVE-2022-31205.
2
What is the severity of CVE-2022-31205?
The severity of CVE-2022-31205 is high with a CVSS score of 7.5.
3
Which Omron PLC series are affected by CVE-2022-31205?
CVE-2022-31205 affects Omron CS series, CJ series, and CP series PLCs.
4
How can the password for the Web UI be accessed in Omron PLCs affected by CVE-2022-31205?
In Omron PLCs affected by CVE-2022-31205, the password for the Web UI can be read out using the Omron FINS protocol without any further authentication.
5
How can I mitigate the vulnerability CVE-2022-31205 in Omron PLCs?
To mitigate the vulnerability CVE-2022-31205 in Omron PLCs, it is recommended to apply the necessary patches or firmware updates provided by Omron.