{"id":"CVE-2023-2747","aliases":["EUVD-2023-34208","GHSA-36qx-fccg-6873"],"status":"published","title":"Uninitialized IV in Silicon Labs SE FW  v2.0.0 through v 2.2.1 for internally stored data","description":"The initialization vector (IV) used by the secure engine (SE) for encrypting data stored in the SE flash memory is uninitialized.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00164,"percentile":0.05621,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1204","CWE-908"],"published":"2023-06-15T19:49:29Z","modified":"2026-06-17T05:53:20Z","products":[{"vendor":"silabs","product":"gecko_software_development_kit"},{"vendor":"silabs.com","product":"gsdk"}],"references":[{"url":"https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000U2sFvQAJ?operationContext=S1","tags":["x_transferred","Permissions Required"]},{"url":"https://github.com/SiliconLabs/gecko_sdk","tags":["x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2747"},{"url":"https://github.com/advisories/GHSA-36qx-fccg-6873"}],"sources":{"cve":[{"id":"CVE-2023-2747","title":"Uninitialized IV in Silicon Labs SE FW  v2.0.0 through v 2.2.1 for internally stored data","description":"The initialization vector (IV) used by the secure engine (SE) for encrypting data stored in the SE flash memory is uninitialized.","status":"published","published":"2023-06-15T19:49:29.785Z","modified":"2024-12-11T20:59:11.466Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-1204"],"updated_at":"2026-11-02T14:35:24.004321Z"}],"euvd":[{"id":"EUVD-2023-34208","description":"The initialization vector (IV) used by the secure engine (SE) for encrypting data stored in the SE flash memory is uninitialized.","status":"published","published":"2023-06-15T19:49:29Z","modified":"2024-12-11T20:59:11Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-03T00:04:36.46341Z"}],"ghsa":[{"id":"GHSA-36qx-fccg-6873","title":"\n\n\n\n\nThe initialization vector (IV) used by the secure engine (SE) for encrypting data stored in...","description":"\n\n\n\n\nThe initialization vector (IV) used by the secure engine (SE) for encrypting data stored in the SE flash memory is uninitialized. \n\n\n\n","status":"published","published":"2023-06-15T21:30:25Z","modified":"2024-09-27T18:33:29Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-908","CWE-1204"],"updated_at":"2026-11-02T14:58:21.889894Z"}],"nvd":[{"id":"CVE-2023-2747","description":"The initialization vector (IV) used by the secure engine (SE) for encrypting data stored in the SE flash memory is uninitialized.","status":"published","published":"2023-06-15T20:15:09.323Z","modified":"2026-06-17T05:53:20.793Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-1204","CWE-908"],"updated_at":"2026-11-02T14:08:06.335469Z"}]}}