{"id":"CVE-2023-26941","aliases":["EUVD-2023-30732","GHSA-xfxc-48qf-j4g6"],"status":"published","title":"Weak encryption mechanisms in RFID Tags in Yale Conexis L1 v1.1.0 allows attackers to create a...","description":"Weak encryption mechanisms in RFID Tags in Yale Conexis L1 v1.1.0 allows attackers to create a cloned tag via physical proximity to the original.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00179,"percentile":0.07497,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-326"],"published":"2023-12-04T00:00:00Z","modified":"2026-06-17T05:43:58Z","products":[{"vendor":"assaabloy","product":"yale_conexis_l1_firmware"}],"references":[{"url":"https://www.researchgate.net/publication/375759408_Technical_Report_-_CVE-2022-46480_CVE-2023-26941_CVE-2023-26942_and_CVE-2023-26943#fullTextFileContent","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://arxiv.org/abs/2312.00021","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26941"},{"url":"https://github.com/advisories/GHSA-xfxc-48qf-j4g6"}],"sources":{"cve":[{"id":"CVE-2023-26941","description":"Weak encryption mechanisms in RFID Tags in Yale Conexis L1 v1.1.0 allows attackers to create a cloned tag via physical proximity to the original.","status":"published","published":"2023-12-04T00:00:00Z","modified":"2024-08-02T12:01:31.976Z","updated_at":"2026-11-02T14:35:15.066338Z"}],"euvd":[{"id":"EUVD-2023-30732","description":"Weak encryption mechanisms in RFID Tags in Yale Conexis L1 v1.1.0 allows attackers to create a cloned tag via physical proximity to the original.","status":"published","published":"2023-12-04T00:00:00Z","modified":"2024-08-02T12:01:31Z","updated_at":"2026-11-03T03:50:06.766939Z"}],"ghsa":[{"id":"GHSA-xfxc-48qf-j4g6","title":"Weak encryption mechanisms in RFID Tags in Yale Conexis L1 v1.1.0 allows attackers to create a...","description":"Weak encryption mechanisms in RFID Tags in Yale Conexis L1 v1.1.0 allows attackers to create a cloned tag via physical proximity to the original.","status":"published","published":"2023-12-05T00:31:08Z","modified":"2024-01-16T03:30:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:55:25.607975Z"}],"nvd":[{"id":"CVE-2023-26941","description":"Weak encryption mechanisms in RFID Tags in Yale Conexis L1 v1.1.0 allows attackers to create a cloned tag via physical proximity to the original.","status":"published","published":"2023-12-05T00:15:08.11Z","modified":"2026-06-17T05:43:58.43Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:08:52.544469Z"}]}}