CVE-2022-45794

Omron CJ-series and CS-series unauthenticated filesystem access.

Description

An attacker with network access to the affected PLC (CJ-series and CS-series PLCs, all versions) may use a network protocol to read and write files on the PLC internal memory and memory card.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory co.jp
Affected: Omron CJ-series and CS-series CPU modules
Published at:
Updated at:

References

Link Tags
https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-002_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-2022-45794?
CVE-2022-45794 has been scored as a high severity vulnerability.
How to fix CVE-2022-45794?
To fix CVE-2022-45794, 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-2022-45794 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-45794 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-2022-45794?
CVE-2022-45794 affects Omron CJ-series and CS-series CPU modules.
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