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.
Published: 2023-08-03
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2023-42519 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.
History

Thu, 17 Oct 2024 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Omron cj2h Cpu Unit
Omron cj2m Cpu Unit
Omron cs Cj Series Ethernet Ip Unit
Weaknesses CWE-1284
CPEs cpe:2.3:h:omron:cj2h_cpu_unit:*:*:*:*:*:*:*:*
cpe:2.3:h:omron:cj2m_cpu_unit:*:*:*:*:*:*:*:*
cpe:2.3:h:omron:cs_cj_series_ethernet_ip_unit:*:*:*:*:*:*:*:*
Vendors & Products Omron cj2h Cpu Unit
Omron cj2m Cpu Unit
Omron cs Cj Series Ethernet Ip Unit
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Omron Cj1w-eip21 Cj1w-eip21 Firmware Cj2h-cpu64-eip Cj2h-cpu64-eip Firmware Cj2h-cpu65-eip Cj2h-cpu65-eip Firmware Cj2h-cpu66-eip Cj2h-cpu66-eip Firmware Cj2h-cpu67-eip Cj2h-cpu67-eip Firmware Cj2h-cpu68-eip Cj2h-cpu68-eip Firmware Cj2h Cpu Unit Cj2m-cpu31 Cj2m-cpu31 Firmware Cj2m-cpu32 Cj2m-cpu32 Firmware Cj2m-cpu33 Cj2m-cpu33 Firmware Cj2m-cpu34 Cj2m-cpu34 Firmware Cj2m-cpu35 Cj2m-cpu35 Firmware Cj2m Cpu Unit Cs1w-eip21 Cs1w-eip21 Firmware Cs Cj Series Ethernet Ip Unit
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2024-10-17T15:17:34.756Z

Reserved: 2023-07-25T03:05:55.191Z

Link: CVE-2023-38744

cve-icon Vulnrichment

Updated: 2024-08-02T17:54:38.498Z

cve-icon NVD

Status : Modified

Published: 2023-08-03T05:15:10.417

Modified: 2024-11-21T08:14:09.647

Link: CVE-2023-38744

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses