Back
CVE-2022-45790
Omron FINS memory protection susceptible to bruteforce
High8.6EPSS 0.91%
- Published
- Updated
- Reserved
- Assigned by
- Dragos
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| DragosCNA (assigner) | 3.1 | High8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
| NVDNVD · Modified | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.91% · top 40% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.6.
Weakness
Affected products
Omron · CJ-series and CS-series CPU modules
- affected CJ2H 0.0 – < 1.5
- affected CJ2M 0.0 – < 2.1
- affected CJ1G 0.0 – < 4.1
- affected CS1H 0.0 – < 4.1
- affected CS1G 0.0 – < 4.1
- affected CS1D-H 0.0 – < 1.4
- affected CP1E-E 0.0 – < 1.3
- affected CP1E-N 0.0 – < 1.3
- affected CS1D-P 0.0 – < 1.4
References (3)
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05 (opens in a new tab)x_transferred
- https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdf (opens in a new tab)x_transferred
- https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/ (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-45790)Record last updated .