{"schema":"threatline.record/2","record":{"id":"CVE-2023-6448","aliases":[],"summary":"Unitronics Vision PLC and HMI Insecure Default Password Vulnerability","details":"Unitronics Vision Series PLCs and HMIs ship with an insecure default password, which if left unchanged, can allow attackers to execute remote commands.","categories":["Industrial & IoT"],"product":"Vision PLC and HMI","vendor":"Unitronics","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-6448","source_modified_at":"2025-10-21T23:05:30.290Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"VisiLogic","vendor":"Unitronics","versions":[{"lessThan":"9.9.00","status":"affected","version":"0","versionType":"custom"}],"defaultStatus":"unknown"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-6448","source_modified_at":"2025-10-21T23:05:30.290Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"VisiLogic","ecosystem":null},"version":"9.9.00","basis":"first unaffected version stated in the CVE record"}],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2023-12-11","due_date":"2023-12-18","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.02089,"percentile":0.81469,"score_date":"2026-10-23"},"published_at":"2023-12-05T17:43:40.451Z","modified_at":"2025-10-21T23:05:30.290Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2023-6448","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:05:30.290Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2023-6448","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6448","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems","tags":["government-resource","x_transferred"]},{"source":"CVE List","url":"https://www.unitronicsplc.com/cyber_security_vision-samba/","tags":["x_transferred"]},{"source":"CVE List","url":"https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf","tags":["release-notes","x_transferred"]},{"source":"CVE List","url":"https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf","tags":["vendor-advisory","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6448","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2023-12-06T14:07:21.216497Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:05:30.290Z","content_hash":"923184a7af19029ead94dbc731cac2d36af4faffa8d7a21f2b0f024398cfb8a0"}}