{
    "id": "CVE-2023-6448",
    "published": "2023-12-05 18:15:12",
    "last_modified": "2026-06-17 06:50:46",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-1188",
    "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.",
    "epss_score": "0.02072",
    "epss_percentile": "0.80671",
    "kev": 1,
    "kev_due": "2023-12-18",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:33:16",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2023-12-18."
    },
    "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"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2023-6448",
        "date_added": "2023-12-11",
        "due_date": "2023-12-18",
        "vendor": "Unitronics",
        "product": "Vision PLC and HMI",
        "name": "Unitronics Vision PLC and HMI Insecure Default Password Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "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"
    ]
}