What’s Vulnerable › Vulnerabilities

CVE-2023-23594

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-31 · updated 2026-06-17
• Weakness: CWE-863

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.

Affected products

• Sato-Global Cl4Nx Plus Firmware: before 1.13.3-u724_r2 — fixed in 1.13.3-u724_r2

How to fix

Upgrade to a fixed version: Sato-Global Cl4Nx Plus Firmware 1.13.3-u724_r2. Check the vendor advisory for mitigations.

References

• https://d2n1rly8br52rx.cloudfront.net/content-blocks/files/pages/Vulnerability-Disclosure.pdf
• https://hackandpwn.com/disclosures/CVE-2023-23594.pdf
• https://www.satoamerica.com/products/printers/industrial-thermal-printers/cl4nx-plus
• https://d2n1rly8br52rx.cloudfront.net/content-blocks/files/pages/Vulnerability-Disclosure.pdf
• https://hackandpwn.com/disclosures/CVE-2023-23594.pdf
• https://www.satoamerica.com/products/printers/industrial-thermal-printers/cl4nx-plus

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