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CVE-2022-45794

HIGHCVSS 7.5/10EPSS 0.54%

Last modified

CVE-2022-45794 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. . EPSS estimates a 0.54% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
0.54%

41.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OmronSysmac Cj2h-Cpu64-Eip FirmwareAll versions
OmronSysmac Cj2h-Cpu64 FirmwareAll versions
OmronSysmac Cj2h-Cpu65-Eip FirmwareAll versions
OmronSysmac Cj2h-Cpu65 FirmwareAll versions
OmronSysmac Cj2h-Cpu66-Eip FirmwareAll versions
OmronSysmac Cj2h-Cpu66 FirmwareAll versions
OmronSysmac Cj2h-Cpu67-Eip FirmwareAll versions
OmronSysmac Cj2h-Cpu67 FirmwareAll versions
OmronSysmac Cj2h-Cpu68-Eip FirmwareAll versions
OmronSysmac Cj2h-Cpu68 FirmwareAll versions
OmronSysmac Cj2m-Cpu11 FirmwareAll versions
OmronSysmac Cj2m-Cpu12 FirmwareAll versions
OmronSysmac Cj2m-Cpu13 FirmwareAll versions
OmronSysmac Cj2m-Cpu14 FirmwareAll versions
OmronSysmac Cj2m-Cpu15 FirmwareAll versions
OmronSysmac Cj2m-Cpu31 FirmwareAll versions
OmronSysmac Cj2m-Cpu32 FirmwareAll versions
OmronSysmac Cj2m-Cpu33 FirmwareAll versions
OmronSysmac Cj2m-Cpu34 FirmwareAll versions
OmronSysmac Cj2m-Cpu35 FirmwareAll versions
OmronSysmac Cj1g-Cpu45p FirmwareAll versions
OmronSysmac Cj1g-Cpu44p FirmwareAll versions
OmronSysmac Cj1g-Cpu43p FirmwareAll versions
OmronSysmac Cj1g-Cpu42p FirmwareAll versions
OmronSysmac Cs1h-Cpu63h FirmwareAll versions
OmronSysmac Cs1h-Cpu65h FirmwareAll versions
OmronSysmac Cs1h-Cpu67h FirmwareAll versions
OmronSysmac Cs1h-Cpu64h FirmwareAll versions
OmronSysmac Cs1h-Cpu66h FirmwareAll versions
OmronSysmac Cs1g-Cpu44h FirmwareAll versions
OmronSysmac Cs1g-Cpu43h FirmwareAll versions
OmronSysmac Cs1g-Cpu42h FirmwareAll versions
OmronSysmac Cs1g-Cpu45h FirmwareAll versions
OmronSysmac Cs1d-Cpu65h FirmwareAll versions
OmronSysmac Cs1d-Cpu67h FirmwareAll versions
OmronSysmac Cs1d-Cpu68ha FirmwareAll versions
OmronSysmac Cs1d-Cpu67ha FirmwareAll versions
OmronSysmac Cs1d-Cpu65p FirmwareAll versions
OmronSysmac Cs1d-Cpu67sa FirmwareAll versions
OmronSysmac Cs1d-Cpu44sa FirmwareAll versions
OmronSysmac Cs1d-Cpu67p FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-45794?
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.
How severe is CVE-2022-45794?
CVE-2022-45794 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.
How do I fix CVE-2022-45794?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-45794?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST