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CVE-2022-31204

HIGH

7.5

CVSS Score

Published: July 26, 2022 at 09:28 PM UTC

Updated: June 17, 2026 at 04:45 AM UTC

15 products affected across 1 vendorCX-ProgrammerCP1W CIF41 FirmwareSysmac CP1E Firmware

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Severity

HIGH7.5

Exploit prediction

EPSS 0.7%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CP1W CIF41 Firmware · OMRON

95%

All versions

omron-cp1w-cif41 (same device)

CX-Programmer · OMRON

95%

v < 9.6

Affected range stops below 9.6, so it looks safe — our inference, not a vendor statement

Sysmac CJ2H Firmware · OMRON

95%

v < 1.5

Affected range stops below 1.5, so it looks safe — our inference, not a vendor statement

omron-sysmac-cj2h (same device)

Sysmac CJ2M Firmware · OMRON

95%

v < 2.1

Affected range stops below 2.1, so it looks safe — our inference, not a vendor statement

omron-sysmac-cj2m (same device)

Sysmac CP1E Firmware · OMRON

95%

v < 1.30

Affected range stops below 1.30, so it looks safe — our inference, not a vendor statement

omron-sysmac-cp1e (same device)

Sysmac CP1H Firmware · OMRON

95%

v < 1.30

Affected range stops below 1.30, so it looks safe — our inference, not a vendor statement

omron-sysmac-cp1h (same device)

Sysmac CP1L Firmware · OMRON

95%

v < 1.10

Affected range stops below 1.10, so it looks safe — our inference, not a vendor statement

omron-sysmac-cp1l (same device)

Sysmac CS1 Firmware · OMRON

95%

v < 4.1

Affected range stops below 4.1, so it looks safe — our inference, not a vendor statement

omron-sysmac-cs1 (same device)

Cp1W-Cif41 · OMRONdevice

80%

All versions

Sysmac CJ2H · OMRONdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party AdvisoryUS Government Resource

Source: [email protected]

https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-02

x_refsource_MISCThird Party Advisory

Source: [email protected]

https://www.forescout.com/blog/

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-319

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