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CVE-2023-0811

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CVE-2023-0811

Published: Mar 16, 2023

Modified: Jan 16, 2025

PUBLISHED

CVSS v3.1

9.1

CRITICAL

Description

Omron CJ1M unit v4.0 and prior has improper access controls on the memory region where the UM password is stored. If an adversary issues a PROGRAM AREA WRITE command to a specific memory region, they could overwrite the password. This may lead to disabling UM protections or setting a non-ASCII password (non-keyboard characters) and preventing an engineer from viewing or modifying the user program.

VendorProductVersions

Omron

CJ1M SYSMAC CJ-series

affected
All versions

Omron

CJ1M SYSMAC CJ-series

affected
All versions

Omron

CJ1M SYSMAC CJ-series

affected
All versions

Omron

CJ1M SYSMAC CJ-series

affected
All versions

Omron

CJ1M SYSMAC CS-series

affected
All versions

Omron

CJ1M SYSMAC CS-series

affected
All versions

Omron

CJ1M SYSMAC CS-series

affected
All versions

Omron

CJ1M SYSMAC CS-series

affected
All versions

Omron

CJ1M SYSMAC CS-series

affected
All versions

Omron

CJ1M SYSMAC CS-series

affected
All versions

Omron

CJ1M SYSMAC CS-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Omron

CJ1M SYSMAC CP-series

affected
All versions

Weaknesses (CWE)

CWE-284

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

References

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