high8.6
CVE-2022-45790
The Omron FINS protocol has an authenticated feature to prevent access to memory regions.
Impact
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 versions |
|---|---|---|
| Omron | Cj1g-Cpu45p Firmware | before 4.1 |
| Omron | Cj1g-Cpu45p-Gtc Firmware | before 4.1 |
| Omron | Cj1g-Cpu44p Firmware | before 4.1 |
| Omron | Cj1g-Cpu43p Firmware | before 4.1 |
| Omron | Cj1g-Cpu42p Firmware | before 4.1 |
| Omron | Cp1e-E Firmware | before 1.3 |
| Omron | Cp1e-N Firmware | before 1.3 |
| Omron | Cj2h-Cpu68 Firmware | before 1.5 |
| Omron | Cj2h-Cpu67 Firmware | before 1.5 |
| Omron | Cj2h-Cpu66 Firmware | before 1.5 |
| Omron | Cj2h-Cpu65 Firmware | before 1.5 |
| Omron | Cj2h-Cpu64 Firmware | before 1.5 |
Weakness classification
References
- NVD record
- CVE.org record
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05
- https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/
- https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdf
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05
- https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/
- https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdf