Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Omron | Cj1G-Cpu45P Firmware | < 4.1 |
| Omron | Cj1G-Cpu45P | - |
| Omron | Cj1G-Cpu45P-Gtc Firmware | < 4.1 |
| Omron | Cj1G-Cpu45P-Gtc | - |
| Omron | Cj1G-Cpu44P Firmware | < 4.1 |
| Omron | Cj1G-Cpu44P | - |
| Omron | Cj1G-Cpu43P Firmware | < 4.1 |
| Omron | Cj1G-Cpu43P | - |
| Omron | Cj1G-Cpu42P Firmware | < 4.1 |
| Omron | Cj1G-Cpu42P | - |
| Omron | Cp1E-E Firmware | < 1.3 |
| Omron | Cp1E-E | - |
| Omron | Cp1E-N Firmware | < 1.3 |
| Omron | Cp1E-N | - |
| Omron | Cj2H-Cpu68 Firmware | < 1.5 |
| Omron | Cj2H-Cpu68 | - |
| Omron | Cj2H-Cpu67 Firmware | < 1.5 |
| Omron | Cj2H-Cpu67 | - |
| Omron | Cj2H-Cpu66 Firmware | < 1.5 |
| Omron | Cj2H-Cpu66 | - |
Related Weaknesses (CWE)
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05Third Party AdvisoryUS Government Resource
- https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-fThird Party Advisory
- https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdfVendor Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05Third Party AdvisoryUS Government Resource
- https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-fThird Party Advisory
- https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdfVendor Advisory
FAQ
What is CVE-2022-45790?
CVE-2022-45790 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 m...
How severe is CVE-2022-45790?
CVE-2022-45790 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-45790?
Check the references section above for vendor advisories and patch information. Affected products include: Omron Cj1G-Cpu45P Firmware, Omron Cj1G-Cpu45P, Omron Cj1G-Cpu45P-Gtc Firmware, Omron Cj1G-Cpu45P-Gtc, Omron Cj1G-Cpu44P Firmware.