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.
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Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-12-05. NVD baseline CVSS 9.8; sources differ by 0.0.
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.
December 5, 2023
February 26, 2026
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