Omron CJ-series and CS-series unauthenticated filesystem access.
CVE-2022-45794

8.6HIGH

Key Information:

Vendor

Omron

Status
Cj-series And Cs-series Cpu Modules
Vendor
CVE Published:
10 January 2024

What is CVE-2022-45794?

The vulnerability affects Omron CJ-series and CS-series programmable logic controllers (PLCs), allowing remote attackers with network access to read and write files stored in the PLC's internal memory and on its memory card. This potential exposure can lead to manipulation of critical data used for automation processes, posing significant risks to operational integrity and security.

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Affected Version(s)

CJ-series and CS-series CPU modules 0

References

https://www.fa.omron.co.jp/product/security/assets/pdf/en...
https://www.dragos.com/advisory/omron-plc-and-engineering...

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Reid Wightman of Dragos, Inc.
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