CVE-2023-23594

An authentication bypass vulnerability in the web client interface for the CL4NX printer before firmware version 1.13.3-u724_r2 provides remote unauthenticated…

Critical · published March 31, 2023

CVSS v3.1
9.8
EPSS
2%
Percentile
74.1
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can commandeer your CL4NX printer with alarming ease! Just one sneaky request is all it takes to access features meant for the trusted crew. 🔥 Think of it as a hotel where anyone can waltz into the staff-only lounge without a keycard. Instead of respecting the boundaries, the printer simply lets them in, allowing them to play with sensitive configurations and upload files. This vulnerability is absolutely devastating! An attacker could potentially execute any command intended for authenticated users—imagine them altering settings, uploading malicious files, or even shutting down your printing operations! The risks are sky-high, and your sensitive data could be at stake.

Put simply

Think of it as a hotel where anyone can waltz into the staff-only lounge without a keycard. Instead of respecting the boundaries, the printer simply lets them in, allowing them to play with sensitive configurations and upload files. The flaw lies in an authentication bypass in the web client interface for the CL4NX printer, allowing remote unauthenticated users to execute privileged commands that should be restricted to authenticated users only.

What to do

This vulnerability is absolutely devastating! An attacker could potentially execute any command intended for authenticated users—imagine them altering settings, uploading malicious files, or even shutting down your printing operations! The risks are sky-high, and your sensitive data could be at stake. To protect your devices, upgrade your printer's firmware to version 1.13.3-u724_r2 immediately. Regularly audit your network access and consider implementing stricter firewall rules to limit exposure. You've got this! With these steps, you'll be well on your way to securing your printer like a pro! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01504 · 74.1th percentile
Published
2023-03-31T00:00Z
EPSS history
Timeline
  • 31 MAR 00:00Z
    An authentication bypass vulnerability in the web client interface for the CL4NX printer before firmware version 1.13.3-u724_r2 provides remote unauthenticated…
    cvelistv5