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CVE-2023-38744

Published: Aug 3, 2023Updated: Nov 21, 2024 Sources: CVE List NVDNVD-CWE-Other
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.7%
Top 53.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

NVD-CWE-OtherCWE-1284

Affected Products

CJ2M CPU UnitOMRON Corporation
Mixed
ICS / OT / IoT / plc-scada-hmi
CJ2H CPU UnitOMRON Corporation
Mixed
ICS / OT / IoT / plc-scada-hmi
CS/CJ Series EtherNet/IP UnitOMRON Corporation
Mixed
ICS / OT / IoT / plc-scada-hmi
cj2m-cpu35 firmwareomronICS / OT / IoT
cj2m-cpu34 firmwareomronICS / OT / IoT
omron corporationcommercialJPICS / OT / IoT
omroncommercialJPICS / OT / IoTaka omron
and 10 more affected products View all →

Exploitability

Official Patch Available

References

https://www.ia.omron.com/product/vulnerability/OMSR-2023-006_en.pdf
ia.omron.com
https://jvn.jp/en/vu/JVNVU92193064/
jvn.jp

Timeline

Published
Aug 3, 2023
Last Updated
Nov 21, 2024

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