Unitronics Vision PLC and HMI
YES - ON THE CISA KEV LIST
CVE-2023-6448
Unitronics Vision PLC and HMI Insecure Default Password Vulnerability
overdue since 2023-12-18
Unitronics: 1 entries (0.1% of all KEV entries are from this vendor); 0 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
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 (CISA)
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
References
Other KEV entries for this vendor: Unitronics
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