{"cve":"CVE-2022-45794","nvd":{"published":"2024-01-10T23:15:08.397","modified":"2026-06-17T05:10:44.910","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-306"],"references":["https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/","https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-002_en.pdf","https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/","https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-002_en.pdf"],"products":["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"],"source":"nvd","synced_at":"2026-10-19T21:43:38.875533635+00:00"},"epss":{"cve":"CVE-2022-45794","score":0.00536,"percentile":0.45195,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}