CVE-2023-6448 — Unitronics Vision PLC and HMI Insecure Default Password Vulnerability
CVE-2023-6448: Unitronics Vision PLC and HMI Insecure Default Password Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Unitronics |
| Product | Vision PLC and HMI |
| Date added | 2023-12-11 |
| Due date | 2023-12-18 |
| Ransomware campaign use | Unknown |
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
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6448
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog