CVE-2022-45794

🗓️ 10 Jan 2024 22:56:58Reported by DragosType

An attacker can read and write files in PLC memory via network protocol

Reporter	Title	Published	Views	Family All 13
BDU FSTEC	Omron CS/CJ Automation Controllers Auth Bypass Info Disclosure	25 Apr 202300:00	–	bdu_fstec
Circl	CVE-2022-45794	11 Jan 202400:31	–	circl
CNNVD	Omron PLC Access Control Error Vulnerability	10 Jan 202400:00	–	cnnvd
Cvelist	CVE-2022-45794 Omron CJ-series and CS-series unauthenticated filesystem access.	10 Jan 202422:56	–	cvelist
EUVD	EUVD-2022-48650	3 Oct 202520:07	–	euvd
ICS	Omron CS/CJ Series	20 Apr 202315:30	–	ics
NVD	CVE-2022-45794	10 Jan 202423:15	–	nvd
Prion	Memory corruption	10 Jan 202423:15	–	prion
Positive Technologies	PT-2023-2420 · Omron · Omron Cs Series	18 Jan 202300:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2022-45794: Missing Authentication for Critical Function	10 Jan 202400:00	–	rapid7

NVD

Node

AND

omron sysmac_cj2h-cpu64-eip_firmwareMatch-

omron sysmac_cj2h-cpu64-eipMatch-

Node

AND

omron sysmac_cj2h-cpu64_firmwareMatch-

omron sysmac_cj2h-cpu64Match-

Node

AND

omron sysmac_cj2h-cpu65-eip_firmwareMatch-

omron sysmac_cj2h-cpu65-eipMatch-

Node

AND

omron sysmac_cj2h-cpu65_firmwareMatch-

omron sysmac_cj2h-cpu65Match-

Node

AND

omron sysmac_cj2h-cpu66-eip_firmwareMatch-

omron sysmac_cj2h-cpu66-eipMatch-

Node

AND

omron sysmac_cj2h-cpu66_firmwareMatch-

omron sysmac_cj2h-cpu66Match-

Node

AND

omron sysmac_cj2h-cpu67-eip_firmwareMatch-

omron sysmac_cj2h-cpu67-eipMatch-

Node

AND

omron sysmac_cj2h-cpu67_firmwareMatch-

omron sysmac_cj2h-cpu67Match-

Node

AND

omron sysmac_cj2h-cpu68-eip_firmwareMatch-

omron sysmac_cj2h-cpu68-eipMatch-

Node

AND

omron sysmac_cj2h-cpu68_firmwareMatch-

omron sysmac_cj2h-cpu68Match-

Node

AND

omron sysmac_cj2m-cpu11_firmwareMatch-

omron sysmac_cj2m-cpu11Match-

Node

AND

omron sysmac_cj2m-cpu12_firmwareMatch-

omron sysmac_cj2m-cpu12Match-

Node

AND

omron sysmac_cj2m-cpu13_firmwareMatch-

omron sysmac_cj2m-cpu13Match-

Node

AND

omron sysmac_cj2m-cpu14_firmwareMatch-

omron sysmac_cj2m-cpu14Match-

Node

AND

omron sysmac_cj2m-cpu15_firmwareMatch-

omron sysmac_cj2m-cpu15Match-

Node

AND

omron sysmac_cj2m-cpu31_firmwareMatch-

omron sysmac_cj2m-cpu31Match-

Node

AND

omron sysmac_cj2m-cpu32_firmwareMatch-

omron sysmac_cj2m-cpu32Match-

Node

AND

omron sysmac_cj2m-cpu33_firmwareMatch-

omron sysmac_cj2m-cpu33Match-

Node

AND

omron sysmac_cj2m-cpu34_firmwareMatch-

omron sysmac_cj2m-cpu34Match-

Node

AND

omron sysmac_cj2m-cpu35_firmwareMatch-

omron sysmac_cj2m-cpu35Match-

Node

AND

omron sysmac_cj1g-cpu45p_firmwareMatch-

omron sysmac_cj1g-cpu45pMatch-

Node

AND

omron sysmac_cj1g-cpu44p_firmwareMatch-

omron sysmac_cj1g-cpu44pMatch-

Node

AND

omron sysmac_cj1g-cpu43p_firmwareMatch-

omron sysmac_cj1g-cpu43pMatch-

Node

AND

omron sysmac_cj1g-cpu42p_firmwareMatch-

omron sysmac_cj1g-cpu42pMatch-

Node

AND

omron sysmac_cs1h-cpu63h_firmwareMatch-

omron sysmac_cs1h-cpu63hMatch-

Node

AND

omron sysmac_cs1h-cpu65h_firmwareMatch-

omron sysmac_cs1h-cpu65hMatch-

Node

AND

omron sysmac_cs1h-cpu67h_firmwareMatch-

omron sysmac_cs1h-cpu67hMatch-

Node

AND

omron sysmac_cs1h-cpu64h_firmwareMatch-

omron sysmac_cs1h-cpu64hMatch-

Node

AND

omron sysmac_cs1h-cpu66h_firmwareMatch-

omron sysmac_cs1h-cpu66hMatch-

Node

AND

omron sysmac_cs1g-cpu44h_firmwareMatch-

omron sysmac_cs1g-cpu44hMatch-

Node

AND

omron sysmac_cs1g-cpu43h_firmwareMatch-

omron sysmac_cs1g-cpu43hMatch-

Node

AND

omron sysmac_cs1g-cpu42h_firmwareMatch-

omron sysmac_cs1g-cpu42hMatch-

Node

AND

omron sysmac_cs1g-cpu45h_firmwareMatch-

omron sysmac_cs1g-cpu45hMatch-

Node

AND

omron sysmac_cs1d-cpu65h_firmwareMatch-

omron sysmac_cs1d-cpu65hMatch-

Node

AND

omron sysmac_cs1d-cpu67h_firmwareMatch-

omron sysmac_cs1d-cpu67hMatch-

Node

AND

omron sysmac_cs1d-cpu68ha_firmwareMatch-

omron sysmac_cs1d-cpu68haMatch-

Node

AND

omron sysmac_cs1d-cpu67ha_firmwareMatch-

omron sysmac_cs1d-cpu67haMatch-

Node

AND

omron sysmac_cs1d-cpu65p_firmwareMatch-

omron sysmac_cs1d-cpu65pMatch-

Node

AND

omron sysmac_cs1d-cpu67sa_firmwareMatch-

omron sysmac_cs1d-cpu67saMatch-

Node

AND

omron sysmac_cs1d-cpu44sa_firmwareMatch-

omron sysmac_cs1d-cpu44saMatch-

Node

AND

omron sysmac_cs1d-cpu67p_firmwareMatch-

omron sysmac_cs1d-cpu67pMatch-

[
  {
    "defaultStatus": "affected",
    "product": "CJ-series and CS-series CPU modules",
    "vendor": "Omron",
    "versions": [
      {
        "status": "affected",
        "version": "0"
      }
    ]
  }
]

Source	Link
fa	www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-002_en.pdf
dragos	www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/

17 Jun 2026 05:10Current

7.3High risk

Vulners AI Score7.3

CVSS 3.17.5 - 8.6

EPSS0.00536

SSVC

CWE-306