Description
The Omron FINS protocol has an authenticated feature to prevent access to memory regions. Authentication is susceptible to bruteforce attack, which may allow an adversary to gain access to protected memory. This access can allow overwrite of values including programmed logic.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Omron | CJ-series and CS-series CPU modules | CJ2H 0.0 – < 1.5, CJ2M 0.0 – < 2.1, CJ1G 0.0 – < 4.1, CS1H 0.0 – < 4.1, CS1G 0.0 – < 4.1, CS1D-H 0.0 – < 1.4, CP1E-E 0.0 – < 1.3, CP1E-N 0.0 – < 1.3, CS1D-P 0.0 – < 1.4 | 1.5 |
Advisories 1
- ICSA-23-262-05 Omron CJ/CS/CP Series CISA ICS & IT advisories · Sep 19, 2023