CVE-2023-6448

Product

Unitronics / Vision PLC and HMI

Vulnerability

Unitronics Vision PLC and HMI Insecure Default Password Vulnerability

Added to KEV

Dec 11, 2023

Remediate by

Dec 18, 2023

Known ransomware use

No

Summary description

Unitronics Vision Series PLCs and HMIs ship with an insecure default password, which if left unchanged, can allow attackers to execute remote commands.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

Note that while it is possible to change the default password, implementors are encouraged to remove affected controllers from public networks and update the affected firmware: https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf; https://nvd.nist.gov/vuln/detail/CVE-2023-6448