Vulnerable Konica Minolta Printers reportedly have been vulnerable to three critical flaws since 2019. If successfully exploited, they could give an attacker root privileges to the underlying operating systems used in the printers. A patch was made available in early 2020 but the deployment could not be done at the time since the firmware update required physical access to the printers and COVID-19 lockdowns around the globe made that difficult, if not impossible. Attackers with access to admin passwords in clear text could gain access to sensitive information.”]
Source: https://www.careersinfosecurity.com/covid-delays-patching-vulnerable-konica-minolta-printers-a-19073