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    CVE-2023-6448

    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.

    Published:Dec 5, 2023
    Last Modified:Feb 26, 2026
    EPS:Dec 5, 2023
    EPSS Score:0.1329
    CVSS Score:9.8

    CISA Notification

    Description

    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.

    Required Action:

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

    Notes:

    No extra notes provided.

    Due Date
    Dec 18, 2023
    998 days ago
    Alert Date
    Dec 11, 2023
    1005 days ago

    Affected Products

    Vendor
    Unitronics
    Product
    Samba 3.5
    Vendor
    Unitronics
    Product
    Samba 3.5 Firmware
    Vendor
    Unitronics
    Product
    Samba 4.3
    Vendor
    Unitronics
    Product
    Samba 4.3 Firmware
    Vendor
    Unitronics
    Product
    Samba 7
    Vendor
    Unitronics
    Product
    Samba 7 Firmware
    Vendor
    Unitronics
    Product
    Visilogic
    Vendor
    Unitronics
    Product
    Vision1040
    Vendor
    Unitronics
    Product
    Vision1040 Firmware
    Vendor
    Unitronics
    Product
    Vision120
    Vendor
    Unitronics
    Product
    Vision120 Firmware
    Vendor
    Unitronics
    Product
    Vision1210
    Vendor
    Unitronics
    Product
    Vision1210 Firmware
    Vendor
    Unitronics
    Product
    Vision130
    Vendor
    Unitronics
    Product
    Vision130 Firmware
    Vendor
    Unitronics
    Product
    Vision230
    Vendor
    Unitronics
    Product
    Vision230 Firmware
    Vendor
    Unitronics
    Product
    Vision280
    Vendor
    Unitronics
    Product
    Vision280 Firmware
    Vendor
    Unitronics
    Product
    Vision290
    Vendor
    Unitronics
    Product
    Vision290 Firmware
    Vendor
    Unitronics
    Product
    Vision350
    Vendor
    Unitronics
    Product
    Vision350 Firmware
    Vendor
    Unitronics
    Product
    Vision430
    Vendor
    Unitronics
    Product
    Vision430 Firmware
    Vendor
    Unitronics
    Product
    Vision530
    Vendor
    Unitronics
    Product
    Vision530 Firmware
    Vendor
    Unitronics
    Product
    Vision560
    Vendor
    Unitronics
    Product
    Vision560 Firmware
    Vendor
    Unitronics
    Product
    Vision570
    Vendor
    Unitronics
    Product
    Vision570 Firmware
    Vendor
    Unitronics
    Product
    Vision700
    Vendor
    Unitronics
    Product
    Vision700 Firmware

    Exploits

    No exploit reference

    References

    https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf
    https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf
    https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems
    https://www.unitronicsplc.com/cyber_security_vision-samba/
    https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf
    https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf
    https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems
    https://www.unitronicsplc.com/cyber_security_vision-samba/
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6448

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High