CVE-2023-6448β€”Unitronics Vision PLC and HMI Insecure Default Password Vulnerability

PUBLISHEDvulnerability record
2023-12-11 Β· last modified June 21, 2025

Metadata

CVE ID:
CVE-2023-6448
Project:
Unitronics
Product:
Vision PLC and HMI
Date Added:
2023-12-11
Due Date:
2023-12-18
Last Updated:
June 21, 2025

Vulnerability Name

Unitronics Vision PLC and HMI Insecure Default Password Vulnerability

Description

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

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

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

Additional 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

Related Weaknesses

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