{"cve_id":"CVE-2023-6448","published":"2023-12-05T18:15:12.643000+00:00","last_modified":"2026-06-17T06:50:46.670000+00:00","vuln_status":"Analyzed","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.","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","base_score":9.8,"base_severity":"CRITICAL","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-1188","CWE-798"],"in_kev":true,"kev_date_added":"2023-12-11","kev_ransomware":false,"epss_score":0.02089,"epss_percentile":0.81607,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC","CRED_ACCESS"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T10:47:09.718192+00:00","first_seen":"2023-12-05T18:15:12.643000+00:00","kev_first_seen":"2023-12-11T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["unitronics"],"products":["samba_3.5","samba_3.5_firmware","samba_4.3","samba_4.3_firmware","samba_7","samba_7_firmware","visilogic","vision1040","vision1040_firmware","vision120","vision120_firmware","vision1210","vision1210_firmware","vision130","vision130_firmware","vision230","vision230_firmware","vision280","vision280_firmware","vision290","vision290_firmware","vision350","vision350_firmware","vision430","vision430_firmware","vision530","vision530_firmware","vision560","vision560_firmware","vision570","vision570_firmware","vision700","vision700_firmware"],"affected":[{"vendor":"unitronics","product":"samba_3.5_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"samba_4.3_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"samba_7_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"visilogic","ranges":["< 9.9.00"]},{"vendor":"unitronics","product":"vision1040_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision120_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision1210_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision130_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision230_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision280_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision290_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision350_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision430_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision530_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision560_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision570_firmware","ranges":["< 12.38"]},{"vendor":"unitronics","product":"vision700_firmware","ranges":["< 12.38"]}]}