First published: Thu Mar 16 2023(Updated: )
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.
Credit: ics-cert@hq.dhs.gov
Affected Software | Affected Version | How to fix |
---|---|---|
Omron SYSMAC CJ-series | ||
Omron SYSMAC CJ-series | ||
Omron CJ2H-CPU6 | ||
Omron CJ2M-CPU15 | ||
Omron CJ1 | ||
Omron SYSMAC CS-series CS1H-CPU □ □ H: All versions CS1G-CPU □ □ H: All versions CS1D-CPU □ □ HA: All versions CS1D-CPU □ □ H: All versions CS1D-CPU □ □ SA: All versions CS1D-CPU □ □ S: All versions CS1D-CPU □ □ P | ||
Omron CS1H-CPU64H | ||
Omron CS1G-CPU43H | ||
Omron CS1D-CPU | ||
Omron CS1D-CPU H | ||
Omron CS1D-CPU | ||
Omron CS1D-CPU44S | ||
Omron CS1D-CPU67P | ||
Omron SYSMAC CP-series CP2E-E □ □ D □ - □: All versions CP2E-S □ □ D □- □ All versions CP2E-N □ □ D □ - □: All versions CP1H-X40D □ - □: All versions CP1H-XA40D □ - □: All versions CP1H-Y20DT-D: All versions CP1L-EL20D □ - □: All versions CP1L-EM □ □ D □ - □: All versions CP1L-L □ □ D □- □: All versions CP1L-M □ □ D □ - □: All versions CP1E-E □ □ D □ - □: All versions CP1E-NA □ □ D □ - □ | ||
Omron CP2E-E | ||
Omron CP2E | ||
Omron CP2E-N40DT-D | ||
Omron CP1H-X40DR-A | ||
Omron CP1H-XA40DT1-D | ||
Omron Sysmac CP1H-Y20DT-D | ||
Omron CP1L-EL20D | ||
Omron CP1L-EM | ||
Omron CP1L-L Series | ||
Omron CP1L-M30DR-D | ||
Omron CP1E | ||
Omron CP1E-NA | ||
Omron CJ2H-CPU64-EIP Firmware | ||
Omron Sysmac CJ2H-CPU64 Firmware | ||
Omron CJ2H-CPU64-EIP Firmware | ||
Omron Sysmac CJ2H-CPU64-EIP Firmware | ||
Omron CJ2H-CPU65 Firmware | ||
Omron Sysmac CJ2H-CPU65 Firmware | ||
Omron Sysmac CJ2H-CPU68 | ||
Omron CJ2H-CPU65-EIP | ||
Omron Sysmac CJ2H Firmware | ||
Omron Sysmac CJ2H-CPU66 Firmware | ||
Omron Sysmac CJ2H-CPU68 | ||
Omron CJ2H-CPU66-EIP | ||
Omron CJ2H-CPU67 Firmware | ||
Omron CJ2H-CPU67 Firmware | ||
Omron CJ2H-CPU67-EIP Firmware | ||
Omron CJ2H-CPU67-EIP Firmware | ||
Omron Sysmac CJ2H-CPU68-EIP Firmware | ||
Omron CJ2H-CPU68 Firmware | ||
Omron Sysmac CJ2H | ||
Omron Sysmac CJ2H-CPU68-EIP Firmware | ||
Omron CJ2M-CPU11 Firmware | ||
Omron Sysmac CJ2M-CPU11 Firmware | ||
Omron CJ2M-CPU12 Firmware | ||
Omron Sysmac CJ2M-CPU12 Firmware | ||
Omron CJ2M-CPU13 | ||
Omron Sysmac CJ2M-CPU13 Firmware | ||
Omron Sysmac CJ2M-CPU14 Firmware | ||
Omron Sysmac CJ2M-CPU14 Firmware | ||
Omron CJ2M-CPU15 | ||
Omron Sysmac CJ2M-CPU15 Firmware | ||
Omron CJ2M-CPU31 Firmware | ||
Omron Sysmac CJ2M-CPU31 Firmware | ||
Omron CJ2M-CPU32 Firmware | ||
Omron Sysmac CJ2M-CPU32 Firmware | ||
Omron Sysmac CJ2M-CPU | ||
Omron Sysmac CJ2M-CPU33 Firmware | ||
Omron Sysmac CJ2M-CPU34 | ||
Omron Sysmac CJ2M-CPU34 Firmware | ||
Omron CJ2M-CPU35 Firmware | ||
Omron Sysmac CJ2M-CPU35 Firmware | ||
Omron CP1E-E10DR-A Firmware | ||
Omron Sysmac CP1E-E10DR-A | ||
Omron Sysmac CP1E-E10DR-D | ||
Omron Sysmac CP1E-E10DR-D Firmware | ||
Omron Sysmac CP1E-E10DT-A Firmware | ||
Omron Sysmac Cp1e-e10dt-a Firmware | ||
Omron Sysmac CP1E-E10DT-D | ||
Omron Sysmac CP1E-E10DT-D Firmware | ||
Omron Sysmac CP1E-E10DT1-A | ||
Omron CP1E-E10DT1-A | ||
Omron Sysmac CP1E-E10DT1-D Firmware | ||
Omron Sysmac Cp1e-e10dt1-d Firmware | ||
Omron Sysmac CP1E-E14DR-A | ||
Omron Sysmac CP1E-E14SDR-A | ||
Omron Sysmac CP1E-E14DR-A | ||
Omron Sysmac CP1E | ||
Omron Sysmac CP1E-E20SDR-A Firmware | ||
Omron Sysmac CP1E | ||
Omron Sysmac CP1E-E20SDR-A Firmware | ||
Omron Sysmac Cp1e-e20sdr-a Firmware | ||
Omron Sysmac CP1E-E30DR-A | ||
Omron Sysmac CP1E-E30SDR-A | ||
Omron Sysmac CP1E-E30SDR-A | ||
Omron Sysmac CP1E-E30SDR-A Firmware | ||
Omron CP1E-E40DR-A Firmware | ||
Omron Sysmac CP1E-E40DR-A Firmware | ||
Omron Sysmac CP1E-E40SDR-A | ||
Omron Sysmac CP1E-E40SDR-A Firmware | ||
Omron Sysmac CP1E-E60SDR-A | ||
Omron Sysmac CP1E-E60SDR-A | ||
Omron Sysmac CP1E-NA20DR-A | ||
Omron Sysmac CP1E-NA20DR-A Firmware | ||
Omron CP1E-NA20DT-D Firmware | ||
Omron Sysmac CP1E-NA20DT-D Firmware | ||
Omron Sysmac CP1E-NA20DT1-D Firmware | ||
Omron Sysmac CP1E-NA20DT1-D Firmware | ||
Omron Sysmac CP1H Firmware | ||
Omron Sysmac CP1H-X40DR-A Firmware | ||
Omron Sysmac CP1H Firmware | ||
Omron Sysmac CP1H-X40DT-D Firmware | ||
Omron Sysmac CP1H-X40DT-D | ||
Omron Sysmac CP1H-X40DT1-D Firmware | ||
Omron CP1H-XA40DR-A Firmware | ||
Omron Sysmac CP1H-XA40DR-A Firmware | ||
Omron Sysmac CP1H-XA40DT-D | ||
Omron CP1H-XA40DT-D Firmware | ||
Omron CP1H-XA40DT-D Firmware | ||
Omron Sysmac CP1H-XA40DT1-D Firmware | ||
Omron Sysmac CP1H Firmware | ||
Omron Sysmac CP1H-Y20DT-D Firmware | ||
Omron CP1L-EL20DR-D Firmware | ||
Omron Sysmac CP1L-EL20DR-D Firmware | ||
Omron Sysmac CP1L-EM30DR-D Firmware | ||
Omron Sysmac CP1L-EM30DR-D Firmware | ||
Omron Sysmac CP1L-EM30DR-D Firmware | ||
Omron CP1L-EM30DT-D | ||
Omron Sysmac CP1L-EM30DT1-D | ||
Omron CP1L-EM30DT1-D | ||
Omron CP1L-EM40DR-D | ||
Omron Sysmac CP1L-EM40DR-D Firmware | ||
Omron Sysmac CP1L-EM40DT-D | ||
Omron Sysmac CP1L-EM40DT-D Firmware | ||
Omron CP1L-EM40DT1-D Firmware | ||
Omron Sysmac CP1L-EM40DT1-D Firmware | ||
Omron CP1L-L10DR-A Firmware | ||
Omron Sysmac CP1L | ||
Omron Sysmac CP1L-L10DR-D | ||
Omron Sysmac CP1L | ||
Omron CP1L-L10DT-A Firmware | ||
Omron Sysmac CP1L-L10DT-A Firmware | ||
Omron Sysmac CP1L-L10DT-D Firmware | ||
Omron Sysmac CP1L-L10DT-D Firmware | ||
Omron Sysmac CP1L-L10DT1-D Firmware | ||
Omron Sysmac CP1L-L10DT1-D Firmware | ||
Omron Sysmac CP1L-L14DR-A Firmware | ||
Omron Sysmac CP1L-L14DR-A Firmware | ||
Omron Sysmac CP1L-L14DR-D | ||
Omron Sysmac CP1L-L14DR-D Firmware | ||
Omron Sysmac CP1L-L14DR-A Firmware | ||
Omron Sysmac CP1L-L14DT-A Firmware | ||
Omron CP1L-L14DT-D Firmware | ||
Omron CP1L-L14DT-D | ||
Omron Cp1l-l14dt1-d Firmware | ||
Omron Sysmac CP1L-L14DT-D | ||
Omron Sysmac CP1L-L20DR-A | ||
Omron Sysmac CP1L-L20DR-A Firmware | ||
Omron CP1L-L20DR-D Firmware | ||
Omron Sysmac CP1L-L20DR-D Firmware | ||
Omron Sysmac CP1L-L20DT-A | ||
Omron Sysmac CP1L-L20DT-A Firmware | ||
Omron CP1L-L20DT-D Firmware | ||
Omron Sysmac CP1L-L20DT-D Firmware | ||
Omron CP1L-L20DT1-D Firmware | ||
Omron Sysmac CP1L | ||
Omron Sysmac CP1L-M30DR-A | ||
Omron CP1L-M30DR-A | ||
Omron CP1L-M30DR-D Firmware | ||
Omron Sysmac CP1L-M30DR-D Firmware | ||
Omron CP1L-M30DT-A Firmware | ||
Omron Sysmac CP1L-M30DT-A Firmware | ||
Omron Sysmac CP1L-M30DT1-D Firmware | ||
Omron Sysmac CP1L-M30DT-D Firmware | ||
Omron CP1L-M30DT1-D Firmware | ||
Omron Sysmac CP1L-M30DT1-D Firmware | ||
Omron Sysmac CP1L-M40DR-A | ||
Omron Sysmac CP1L | ||
Omron Sysmac CP1L-M40DR-D | ||
Omron Sysmac CP1L-M40DR-D Firmware | ||
Omron Sysmac CP1L-M40DT-A | ||
Omron Sysmac CP1L-M40DT-A Firmware | ||
Omron Sysmac CP1L-M40DT-D | ||
Omron Sysmac CP1L-M40DT-D Firmware | ||
Omron Sysmac CP1L-M40DT1-D | ||
Omron Sysmac CP1L-M40DT1-D Firmware | ||
Omron Sysmac CP1L-M60DR-A | ||
Omron Sysmac CP1L-M60DR-A Firmware | ||
Omron Sysmac CP1L-M60D Firmware | ||
Omron Sysmac CP1L-M60DR-D Firmware | ||
Omron CP1L-M60DT-A Firmware | ||
Omron Sysmac CP1L-M60DT-A Firmware | ||
Omron Sysmac CP1L-M60DT-D | ||
Omron Sysmac CP1L-M60 | ||
Omron CP1L-M60DT1-D Firmware | ||
Omron Sysmac CP1L | ||
Omron Sysmac CP2E-E14DR-A | ||
Omron CP2E-E14DR-A | ||
Omron Sysmac CP2E-E20DR-A | ||
Omron CP2E-E20DR-A | ||
Omron Cp2e-e30dr-a Firmware | ||
Omron Sysmac Cp2e-e30dr-a Firmware | ||
Omron Sysmac CP2E-E40DR-A | ||
Omron Sysmac CP2E-E40DR-A Firmware | ||
Omron Cp2e-e60dr-a Firmware | ||
Omron CP2E-E60DR-A | ||
Omron Sysmac CP2E-N14DR-A | ||
Omron Sysmac CP2E | ||
Omron Sysmac CP2E-N14DR-D | ||
Omron Sysmac CP2E-N14DR-D Firmware | ||
Omron Sysmac CP2E-N14DT-A Firmware | ||
Omron Sysmac CP2E-N14DT-A Firmware | ||
Omron CP2E-N14DT-D Firmware | ||
Omron Sysmac CP2E-N14DT1-D | ||
Omron Sysmac Cp2e-n30dt1-d | ||
Omron Sysmac CP2E-N14DT1-D | ||
Omron Sysmac CP2E-N20DR-A | ||
Omron Sysmac CP2E-N20DR-A Firmware | ||
Omron Sysmac CP2E-N20DR-D | ||
Omron Sysmac CP2E-N20DR-D Firmware | ||
Omron Sysmac CP2E-N20DT-A Firmware | ||
Omron Sysmac Cp2e-n20dt-a Firmware | ||
Omron Sysmac CP2E-N20DT-D | ||
Omron Sysmac CP2E-N20DT-D | ||
Omron Sysmac CP2E-N20DT1-D Firmware | ||
Omron Sysmac CP2E-N20DT1-D Firmware | ||
Omron CP2E-N30DR-A Firmware | ||
Omron Sysmac Cp2e-n30dr-a Firmware | ||
Omron Sysmac Cp2e-n30dt1-d | ||
Omron CP2E-N30DR-D | ||
Omron Sysmac CP2E-N30DT-A Firmware | ||
Omron Sysmac CP2E-N30DT-A Firmware | ||
Omron Sysmac CP2E-N30DT1-D Firmware | ||
Omron Sysmac CP2E-N30DT-D | ||
Omron Sysmac CP2E-N30DT1-D | ||
Omron Sysmac CP2E-N30DT1-D Firmware | ||
Omron Cp2e-n40dr-a Firmware | ||
Omron CP2E-N40DR-A | ||
Omron Cp2e-n40dr-d Firmware | ||
Omron CP2E-N40DR-D | ||
Omron Sysmac Cp2e-n14dt-a | ||
Omron Sysmac CP2E-N40DT-A | ||
Omron Sysmac CP2E-N40DT-D Firmware | ||
Omron Sysmac Cp2e-N40DT-D Firmware | ||
Omron Sysmac CP2E-N40DT1-D | ||
Omron Sysmac CP2E-N40DT1-D | ||
Omron Sysmac CP2E-N60DR-A | ||
Omron Sysmac CP2E | ||
Omron Sysmac CP2E-N60DR-D | ||
Omron Sysmac CP2E-N60DR-D Firmware | ||
Omron CP2E-N60DT-A Firmware | ||
Omron CP2E-N60DT-A | ||
Omron Sysmac CP2E-N60DT-D Firmware | ||
Omron Sysmac CP2E-N60DT-D Firmware | ||
Omron Sysmac CP2E-N60DT1-D | ||
Omron Sysmac CP2E-N60DT1-D Firmware | ||
Omron Sysmac CP2E | ||
Omron Sysmac CP2E-S30DR-A | ||
Omron Sysmac CP2E-S30DT-D Firmware | ||
Omron Sysmac CP2E-S30DT-D Firmware | ||
Omron Sysmac CP2E-S30DT1-D | ||
Omron Sysmac CP2E-S30DT1-D Firmware | ||
Omron CP2E-S40DR-A Firmware | ||
Omron CP2E-S40DR-A Firmware | ||
Omron Sysmac CP2E-S40DT-D | ||
Omron CP2E-S40DT-D Firmware | ||
Omron Sysmac CP2E | ||
Omron Sysmac CP2E-S40DT1-D | ||
Omron CP2E-S60DR-A | ||
Omron CP2E-S60DR-A | ||
Omron Sysmac CP2E-S60DT-D | ||
Omron Sysmac CP2E-S60DT-D Firmware | ||
Omron Sysmac CP2E-S60DT1-D | ||
Omron Sysmac CP2E-S60DT1-D Firmware | ||
Omron CS1W-DRM21-V1 | ||
Omron CS1W-DRM21-V1 | ||
Omron Sysmac CS1W-EIP21 | ||
Omron Sysmac CS1W-EIP21 Firmware | ||
Omron Sysmac CS1W-ETN21 Firmware | ||
Omron Sysmac CS1W-ETN21 Firmware | ||
Omron CS1W-FLN22 | ||
Omron Sysmac CS1W-FLN22 Firmware | ||
Omron Sysmac CS1W-NC[]71 Firmware | ||
Omron Sysmac CS1W-NC[]71 | ||
Omron Sysmac CS1W-SPU01-V2 | ||
Omron Sysmac CS1W-SPU01-V2 Firmware | ||
Omron CS1W-SPU02-V2 | ||
Omron Sysmac CS1W-SPU02-V2 Firmware |
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The severity of CVE-2023-0811 is rated as high due to improper access controls allowing potential unauthorized modification of sensitive security information.
To fix CVE-2023-0811, update the Omron Sysmac CJ1M unit firmware to a version greater than v4.0 that addresses these access control issues.
CVE-2023-0811 affects Omron CJ1M units with firmware version v4.0 and prior, specifically those using PROGRAM AREA WRITE commands.
Exploiting CVE-2023-0811 could allow attackers to overwrite security passwords, potentially disabling security protections and allowing unauthorized access.
You can confirm if your system is vulnerable to CVE-2023-0811 by checking the firmware version of your Omron CJ1M unit against the disclosed vulnerable versions.