CVE-2023-6448
Unitronics VisiLogic uses a default administrative password
KEVCRITICAL 9.8EPSS 2.1%
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.
- Affected
- Unitronics · VisiLogic
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 2.09% chance of exploitation in the next 30 days, 81st percentile
- CISA KEV
- added 2023-12-11
- Published
- 2023-12-05
- Updated
- 2025-10-21
Proof-of-concept exploits (1)
Security advisories
- https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-…
- https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiL…
- https://www.unitronicsplc.com/cyber_security_vision-samba