High severity8.6NVD Advisory· Published Jan 22, 2024· Updated Jun 17, 2026
CVE-2022-45790
CVE-2022-45790
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.
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Affected products
49- Omron/CJ-series and CS-series CPU modulesv5Range: CJ2H 0.0
Patches
Vulnerability mechanics
References
3- www.cisa.gov/news-events/ics-advisories/icsa-23-262-05nvdThird Party AdvisoryUS Government Resource
- www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/nvdThird Party Advisory
- www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdfnvdVendor Advisory
News mentions
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