CVE-2023-6448
Unitronics Vision PLC and HMI Insecure Default Password Vulnerability
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.
CRITICAL · CVSS 9.8
⚠ CISA KEV
EPSS 0.1329
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- Listed on CISA KEV (known exploited in the wild)
- SSVC exploitation status: active
- EPSS ≥ 0.10 - elevated exploitation probability
- EPSS percentile: top 6% of all CVEs by exploitation likelihood
- SSVC automatable: yes - attacks can be scripted at scale
- CVSS base score ≥ 7.0
Sigma rules10
YARA rules0