{"id":"CVE-2024-13966","aliases":["EUVD-2025-16361","GHSA-fqmr-rqgw-fg3q"],"status":"published","title":"ZKTeco BioTime default password","description":"ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as \"Self-Password\").","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00416,"percentile":0.36397,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1393"],"published":"2025-05-27T18:35:31Z","modified":"2026-06-17T07:03:04Z","products":[{"vendor":"zkteco","product":"biotime"}],"references":[{"url":"https://krashconsulting.com/fury-of-fingers-biotime-rce/","tags":["Third Party Advisory"]},{"url":"https://zkteco-store.ru/wp-content/uploads/2023/09/ZKBio-CVSecurity-6.0.0-User-Manual_EN-v1.0_20230616.pdf","tags":["Product"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-13966","tags":["Third Party Advisory"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-148-01.json","tags":["Third Party Advisory"]},{"url":"https://www.zkteco.com/en/Security_Bulletinsibs/18","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-13966"},{"url":"https://krashconsulting.com/fury-of-fingers-biotime-rce"},{"url":"https://github.com/advisories/GHSA-fqmr-rqgw-fg3q"}],"sources":{"cve":[{"id":"CVE-2024-13966","title":"ZKTeco BioTime default password","description":"ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as \"Self-Password\").","status":"published","published":"2025-05-27T18:35:31.706Z","modified":"2025-07-14T14:58:38.464Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-1393"],"updated_at":"2026-11-02T14:34:13.64024Z"}],"euvd":[{"id":"EUVD-2025-16361","description":"ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as \"Self-Password\").","status":"published","published":"2025-05-27T18:35:31Z","modified":"2025-07-14T14:58:38Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:32:08.599959Z"}],"ghsa":[{"id":"GHSA-fqmr-rqgw-fg3q","title":"ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user...","description":"ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as \"Self-Password\").","status":"published","published":"2025-05-27T21:32:16Z","modified":"2025-07-14T15:31:33Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-1393"],"updated_at":"2026-11-02T15:03:00.541352Z"}],"nvd":[{"id":"CVE-2024-13966","description":"ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as \"Self-Password\").","status":"published","published":"2025-05-27T19:15:24.727Z","modified":"2026-06-17T07:03:04.443Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-1393"],"updated_at":"2026-11-02T14:10:47.073504Z"}]}}