Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2023-38744

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
03/08/2023
Last modified:
17/10/2024

Description

Denial-of-service (DoS) vulnerability due to improper validation of specified type of input issue exists in the built-in EtherNet/IP port of the CJ Series CJ2 CPU unit and the communication function of the CS/CJ Series EtherNet/IP unit. If an affected product receives a packet which is specially crafted by a remote unauthenticated attacker, the unit of the affected product may fall into a denial-of-service (DoS) condition. Affected products/versions are as follows: CJ2M CPU Unit CJ2M-CPU3[] Unit version of the built-in EtherNet/IP section Ver. 2.18 and earlier, CJ2H CPU Unit CJ2H-CPU6[]-EIP Unit version of the built-in EtherNet/IP section Ver. 3.04 and earlier, CS/CJ Series EtherNet/IP Unit CS1W-EIP21 V3.04 and earlier, and CS/CJ Series EtherNet/IP Unit CJ1W-EIP21 V3.04 and earlier.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:h:omron:cj2m-cpu35:-:*:*:*:*:*:*:*
cpe:2.3:o:omron:cj2m-cpu35_firmware:*:*:*:*:*:*:*:* 2.18 (including)
cpe:2.3:h:omron:cj2m-cpu34:-:*:*:*:*:*:*:*
cpe:2.3:o:omron:cj2m-cpu34_firmware:*:*:*:*:*:*:*:* 2.18 (including)
cpe:2.3:h:omron:cj2m-cpu33:-:*:*:*:*:*:*:*
cpe:2.3:o:omron:cj2m-cpu33_firmware:*:*:*:*:*:*:*:* 2.18 (including)
cpe:2.3:h:omron:cj2m-cpu32:-:*:*:*:*:*:*:*
cpe:2.3:o:omron:cj2m-cpu32_firmware:*:*:*:*:*:*:*:* 2.18 (including)
cpe:2.3:h:omron:cj2m-cpu31:-:*:*:*:*:*:*:*
cpe:2.3:o:omron:cj2m-cpu31_firmware:*:*:*:*:*:*:*:* 2.18 (including)
cpe:2.3:h:omron:cj2h-cpu68-eip:-:*:*:*:*:*:*:*
cpe:2.3:o:omron:cj2h-cpu68-eip_firmware:*:*:*:*:*:*:*:* 3.04 (including)
cpe:2.3:h:omron:cj2h-cpu67-eip:-:*:*:*:*:*:*:*
cpe:2.3:o:omron:cj2h-cpu67-eip_firmware:*:*:*:*:*:*:*:* 3.04 (including)
cpe:2.3:h:omron:cj2h-cpu66-eip:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools