CVE-2022-45790

Omron FINS memory protection susceptible to bruteforce

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.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.39%
Vendor Advisory co.jp
Affected: Omron CJ-series and CS-series CPU modules
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05 third party advisory us government resource
https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdf vendor advisory
https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-45790?
CVE-2022-45790 has been scored as a high severity vulnerability.
How to fix CVE-2022-45790?
To fix CVE-2022-45790, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-45790 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-45790 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-45790?
CVE-2022-45790 affects Omron CJ-series and CS-series CPU modules.
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