CVE-2023-6448: Unitronics Vision PLC and HMI Insecure Default Password Vulnerability
CVE-2023-6448 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-12-11
Unitronics Vision and Samba series PLCs and HMIs utilize an insecure default administrative password. An unauthenticated remote attacker with network access can exploit this to gain full administrative control and execute commands on the vulnerable system.
Yes. CVE-2023-6448 is known to be exploited in the wild, first recorded on 11 December 2023. Treat it as urgent.
How severe is CVE-2023-6448?
Critical severity, with a CVSS score of 9.8, published 11 December 2023.
Which products and versions are affected?
Unitronics Vision PLC VisiLogic before 9.9.00; Unitronics Samba PLC VisiLogic before 9.9.00; Unitronics Vision HMI VisiLogic before 9.9.00; Unitronics Samba HMI VisiLogic before 9.9.00.
Is there a fix for CVE-2023-6448?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2023-6448 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2023-6448?
Check whether you run Unitronics HMI, Unitronics Vision HMI or Unitronics Vision PLC. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Unitronics Vision PLC VisiLogic before 9.9.00
Unitronics Samba PLC VisiLogic before 9.9.00
Unitronics Vision HMI VisiLogic before 9.9.00
Unitronics Samba HMI VisiLogic before 9.9.00
Timeline
2023-11-28: advisory: CISA alert regarding exploitation in water and wastewater systems
2023-12-11: disclosed: CVE published and added to CISA KEV catalog