CVE-2023-0859: Canon I-Sensys LBP621CW Firmware

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Arbitrary Files can be installed in the Setting Data Import function of Office / Small Office Multifunction Printers and Laser Printers(*). *:Satera LBP660C Series/LBP620C Series/MF740C Series/MF640C Series firmware Ver.11.04 and earlier sold in Japan. Color imageCLASS LBP660C Series/LBP 620C Series/X LBP1127C/MF740C Series/MF640C Series/X MF1127C firmware Ver.11.04 and earlier sold in US. i-SENSYS LBP660C Series/LBP620C Series/MF740C Series/MF640C Series, C1127P, C1127iF, C1127i firmware Ver.11.04 and earlier sold in Europe.

Affected products

  • Canon I-Sensys LBP621CW Firmware: up to and including 11.04
  • Canon I-Sensys LBP623CDW Firmware: up to and including 11.04
  • Canon I-Sensys LBP633CDW Firmware: up to and including 11.04
  • Canon I-Sensys LBP664CX Firmware: up to and including 11.04
  • Canon I-Sensys MF641CW Firmware: up to and including 11.04
  • Canon I-Sensys MF643CDW Firmware: up to and including 11.04
  • Canon I-Sensys MF645CX Firmware: up to and including 11.04
  • Canon I-Sensys MF742CDW Firmware: up to and including 11.04
  • Canon I-Sensys MF744CDW Firmware: up to and including 11.04
  • Canon I-Sensys MF746CX Firmware: up to and including 11.04
  • Canon I-Sensys X c1127i Firmware: up to and including 11.04
  • Canon I-Sensys X c1127if Firmware: up to and including 11.04
  • Canon I-Sensys X c1127p Firmware: up to and including 11.04
  • Canon Imageprograf Tc-20 Firmware: up to and including 11.04
  • Canon Imageprograf Tc-20m Firmware: up to and including 11.04
  • Canon LBP1127C Firmware: up to and including 11.04
  • Canon LBP122DW Firmware: up to and including 11.04
  • Canon LBP621C Firmware: up to and including 11.04
  • Canon LBP622C Firmware: up to and including 11.04
  • Canon LBP622CDW Firmware: up to and including 11.04
  • Canon LBP623CDW Firmware: up to and including 11.04
  • Canon LBP661C Firmware: up to and including 11.04
  • Canon LBP662C Firmware: up to and including 11.04
  • Canon LBP664C Firmware: up to and including 11.04
  • Canon LBP664CDW Firmware: up to and including 11.04
  • and 20 more

Published 2023-05-11. Last modified 2026-06-17.