SATO CL4NX Printers Incorrect Authorization (CVE-2023-23594)

critical Tenable OT Security Plugin ID 505335

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An authentication bypass vulnerability in the web client interface for the CL4NX printer before firmware version 1.13.3-u724_r2 provides remote unauthenticated attackers with access to execute commands intended only for valid/authenticated users, such as file uploads and configuration changes.

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.

Plugin Details

Severity: Critical

ID: 505335

File Name: tenable_ot_sato_CVE-2023-23594.nasl

Version: 1.2

Type: Remote

Family: Tenable.ot

Published: 4/23/2026

Updated: 4/27/2026

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-2023-23594

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:sato-global:cl4nx_plus_firmware

Required KB Items: Tenable.ot/SATO

Exploit Ease: No known exploits are available

Patch Publication Date: 3/31/2023

Vulnerability Publication Date: 3/31/2023

Reference Information

CVE: CVE-2023-23594

CWE: 863

Detections

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