Is CVE-2022-31204 actively exploited?

No active exploitation of CVE-2022-31204 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-31204 be exploited remotely?

Yes. CVE-2022-31204 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-31204?

CVE-2022-31204 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2022-31204

HIGH

CVE-2022-31204

CWE-319Published: July 26, 2022· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Omron CS series, CJ series, and CP series PLCs through 2022-05-18 use cleartext passwords. They feature a UM Protection setting that allows users or system integrators to configure a password in order to restrict sensitive engineering operations (such as project/logic uploads and downloads). This password is set using the OMRON FINS command Program Area Protect and unset using the command Program Area Protect Clear, both of which are transmitted in cleartext.

NVD Source

Technical Analysis

CVE-2022-31204 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

omron15 product(s)

sysmac cs1 firmwaresysmac cs1sysmac cj2m firmwaresysmac cj2msysmac cj2h firmwaresysmac cj2hsysmac cp1e firmwaresysmac cp1esysmac cp1h firmwaresysmac cp1hsysmac cp1l firmwaresysmac cp1l+3

Source: NVD CPE · 15 total CPE entries