{"id":"CVE-2024-58311","aliases":["EUVD-2024-55350","GHSA-662h-839m-x83f"],"status":"published","title":"Dormakaba Saflok System 6000 Key Generation Cryptographic Weakness","description":"Dormakaba Saflok System 6000 contains a predictable key generation algorithm that allows attackers to derive card access keys from a 32-bit unique identifier. Attackers can exploit the deterministic key generation process by calculating valid access keys using a simple mathematical transformation of the card's unique identifier.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00418,"percentile":0.36546,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1245"],"published":"2025-12-12T19:57:03Z","modified":"2026-06-17T08:14:49Z","products":[{"vendor":"dormakaba","product":"dormakaba saflok system 6000"}],"references":[{"url":"https://www.exploit-db.com/exploits/51832","tags":["exploit"]},{"url":"https://www.dormakaba.com/","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/dormakaba-saflok-system-key-generation-cryptographic-weakness","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-58311"},{"url":"https://www.dormakaba.com"},{"url":"https://github.com/advisories/GHSA-662h-839m-x83f"}],"sources":{"cve":[{"id":"CVE-2024-58311","title":"Dormakaba Saflok System 6000 Key Generation Cryptographic Weakness","description":"Dormakaba Saflok System 6000 contains a predictable key generation algorithm that allows attackers to derive card access keys from a 32-bit unique identifier. Attackers can exploit the deterministic key generation process by calculating valid access keys using a simple mathematical transformation of the card's unique identifier.","status":"published","published":"2025-12-12T19:57:03.119Z","modified":"2026-04-07T14:08:53.225Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-1245"],"updated_at":"2026-11-02T14:34:08.843708Z"}],"euvd":[{"id":"EUVD-2024-55350","description":"Dormakaba Saflok System 6000 contains a predictable key generation algorithm that allows attackers to derive card access keys from a 32-bit unique identifier. Attackers can exploit the deterministic key generation process by calculating valid access keys using a simple mathematical transformation of the card's unique identifier.","status":"published","published":"2025-12-12T19:57:03Z","modified":"2026-04-07T14:08:53Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:25:13.335741Z"}],"ghsa":[{"id":"GHSA-662h-839m-x83f","title":"Dormakaba Saflok System 6000 contains a predictable key generation algorithm that allows...","description":"Dormakaba Saflok System 6000 contains a predictable key generation algorithm that allows attackers to derive card access keys from a 32-bit unique identifier. Attackers can exploit the deterministic key generation process by calculating valid access keys using a simple mathematical transformation of the card's unique identifier.","status":"published","published":"2025-12-12T21:31:38Z","modified":"2025-12-12T21:31:50Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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":"high"}],"cwes":["CWE-1245"],"updated_at":"2026-11-02T15:05:11.404224Z"}],"nvd":[{"id":"CVE-2024-58311","description":"Dormakaba Saflok System 6000 contains a predictable key generation algorithm that allows attackers to derive card access keys from a 32-bit unique identifier. Attackers can exploit the deterministic key generation process by calculating valid access keys using a simple mathematical transformation of the card's unique identifier.","status":"published","published":"2025-12-12T20:15:39.17Z","modified":"2026-06-17T08:14:49.417Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-1245"],"updated_at":"2026-11-02T14:10:47.444899Z"}]}}