Is CVE-2022-45794 actively exploited?

No active exploitation of CVE-2022-45794 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-45794 be exploited remotely?

Yes. CVE-2022-45794 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-45794?

CVE-2022-45794 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2022-45794

HIGH

CVE-2022-45794

CWE-306Published: January 10, 2024· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-45794 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Affected Vendors & Products

omron82 product(s)

sysmac cj2h-cpu64-eip firmwaresysmac cj2h-cpu64-eipsysmac cj2h-cpu64 firmwaresysmac cj2h-cpu64sysmac cj2h-cpu65-eip firmwaresysmac cj2h-cpu65-eipsysmac cj2h-cpu65 firmwaresysmac cj2h-cpu65sysmac cj2h-cpu66-eip firmwaresysmac cj2h-cpu66-eipsysmac cj2h-cpu66 firmwaresysmac cj2h-cpu66+70

Source: NVD CPE · 82 total CPE entries