Detections
Analytics

Omron CP1L-EL20DR-D Memory Arbitrary Read/Write (CVE-2023-22357)

critical Tenable OT Security Plugin ID 501149

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is not specified in FINS protocol being executed without authentication. A remote unauthenticated attacker may read/write in arbitrary area of the device memory, which may lead to overwriting the firmware, causing a denial-of-service (DoS) condition, and/or arbitrary code execution.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://jvn.jp/en/vu/JVNVU97575890/index.html

Plugin Details

Severity: Critical

ID: 501149

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 5/22/2023

Updated: 9/6/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2023-22357

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:omron:cp1l-el20dr-d_firmware

Required KB Items: Tenable.ot/Omron

Exploit Ease: No known exploits are available

Patch Publication Date: 1/17/2023

Vulnerability Publication Date: 1/17/2023

Reference Information

CVE: CVE-2023-22357