Unitronics Vision PLC and HMI Insecure Default Password Vulnerability
Summary
| CVE | CVE-2023-6448 |
|---|---|
| State | PUBLISHED |
| Assigner | Unknown |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-12-05 18:15:00 UTC |
| Updated | 2023-12-05 20:13:00 UTC |
| Description | Unitronics Vision Series PLCs and HMIs ship with an insecure default password, which if left unchanged, can allow attackers to execute remote commands. |
Risk And Classification
EPSS: 0.020890000 probability, percentile 0.796340000 (date 2026-07-22)
CISA KEV: Listed on 2023-12-11; due 2023-12-18; ransomware use Unknown
CISA Known Exploited Vulnerability
| Vendor | Unitronics |
|---|---|
| Product | Vision PLC and HMI |
| Name | Unitronics Vision PLC and HMI Insecure Default Password Vulnerability |
| 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 |
There are no known software configurations currently associated with this CVE in NVD or the CVE Program record.
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-us... | www.cisa.gov | ||
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 379326 Unitronics VisiLogic Insecure Default Password Vulnerability