CVE-2022-45794 7.5 high EPSS 0.5%
High (7.5) in omron. EPSS 0.5% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1 7.5 high CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NEnable JavaScript to see the metric table and diagram.
EPSS 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
CWE CWE-306
Published 2024-01-10
Modified 2026-06-17
Record from the NVD, synced 2026-10-19 Affected omron:sysmac_cj1g-cpu42p_firmware omron:sysmac_cj1g-cpu43p_firmware omron:sysmac_cj1g-cpu44p_firmware omron:sysmac_cj1g-cpu45p_firmware omron:sysmac_cj2h-cpu64-eip_firmware omron:sysmac_cj2h-cpu64_firmware omron:sysmac_cj2h-cpu65-eip_firmware omron:sysmac_cj2h-cpu65_firmware omron:sysmac_cj2h-cpu66-eip_firmware omron:sysmac_cj2h-cpu66_firmware omron:sysmac_cj2h-cpu67-eip_firmware omron:sysmac_cj2h-cpu67_firmware omron:sysmac_cj2h-cpu68-eip_firmware omron:sysmac_cj2h-cpu68_firmware omron:sysmac_cj2m-cpu11_firmware omron:sysmac_cj2m-cpu12_firmware omron:sysmac_cj2m-cpu13_firmware omron:sysmac_cj2m-cpu14_firmware omron:sysmac_cj2m-cpu15_firmware omron:sysmac_cj2m-cpu31_firmware omron:sysmac_cj2m-cpu32_firmware omron:sysmac_cj2m-cpu33_firmware omron:sysmac_cj2m-cpu34_firmware omron:sysmac_cj2m-cpu35_firmware omron:sysmac_cs1d-cpu44sa_firmware omron:sysmac_cs1d-cpu65h_firmware omron:sysmac_cs1d-cpu65p_firmware omron:sysmac_cs1d-cpu67h_firmware omron:sysmac_cs1d-cpu67ha_firmware omron:sysmac_cs1d-cpu67p_firmware omron:sysmac_cs1d-cpu67sa_firmware omron:sysmac_cs1d-cpu68ha_firmware omron:sysmac_cs1g-cpu42h_firmware omron:sysmac_cs1g-cpu43h_firmware omron:sysmac_cs1g-cpu44h_firmware omron:sysmac_cs1g-cpu45h_firmware omron:sysmac_cs1h-cpu63h_firmware omron:sysmac_cs1h-cpu64h_firmware omron:sysmac_cs1h-cpu65h_firmware omron:sysmac_cs1h-cpu66h_firmware omron:sysmac_cs1h-cpu67h_firmware References Check your stack JSON