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CVE-2023-6448Unitronics VisiLogic uses a default administrative password
Unitronics VisiLogic before version 9.9.00, used in Vision and Samba PLCs and HMIs, uses a default administrative password. An unauthenticated attacker with network access can take administrative control of a vulnerable system.
9.8 CRITICALEPSS 2.08%⚡ Known Exploited (CISA KEV)NVD: Published
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.8 | CRITICAL | 3.1cisa-cg (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2023-6448
- Status
- Published
- Assigner (CNA)
- cisa-cg
- Published
- Dec 5, 2023
- Last modified
- 2025-10-21 23:05 UTC
- Weaknesses
- CWE-1188 · Insecure Default Initialization of Resource
Affected Products
As published by the CNA in the CVE record.
UnitronicsVisiLogic1 version range
- before 9.9.00
References
- cisa.gov https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems
- unitronicsplc.com https://www.unitronicsplc.com/cyber_security_vision-samba/
- downloads.unitronicsplc.com https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf
- downloads.unitronicsplc.com https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf
Sources
- NVD (unavailable at last refresh)
- CVE.org
- CISA KEV
- FIRST EPSS