/CVE-2023-22960

Primary LanguagePythonMIT LicenseMIT

PoC for CVE-2023-22960

Python License

Details

This vulnerability allows an attacker to bypass the credentials brute-force prevention mechanism of the Embedded Web Server (interface) of more than 60 Lexmark printer models. This issue affects both username-password and PIN authentication.

Official security advisory -> https://publications.lexmark.com/publications/security-alerts/CVE-2023-22960.pdf

PoC tested against:

  • Lexmark MX622adhe
  • Lexmark CX735adse
  • Lexmark MX521ade

Video Presentation

In this video I demonstrate the issue as well as how to write an http(s) login bruteforce script with Python.
https://www.youtube.com/watch?v=HuAqTScr_3s

Preview

Without the brute-force prevention bypass:
image

Applying the the brute-force prevention bypass:
image