{"id":"CVE-2023-21455","aliases":["EUVD-2023-25623","GHSA-wxhm-9fww-9xcx"],"status":"published","title":"Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows...","description":"Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00403,"percentile":0.35009,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2023-03-16T00:00:00Z","modified":"2026-06-17T05:32:38Z","products":[{"vendor":"samsung","product":"exynos_firmware"},{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2023\u0026month=03","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21455"},{"url":"https://github.com/advisories/GHSA-wxhm-9fww-9xcx"}],"sources":{"cve":[{"id":"CVE-2023-21455","description":"Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.","status":"published","published":"2023-03-16T00:00:00Z","modified":"2025-02-26T20:32:07.217Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:35:20.368244Z"}],"euvd":[{"id":"EUVD-2023-25623","description":"Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.","status":"published","published":"2023-03-16T00:00:00Z","modified":"2025-02-26T20:32:07Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:22.849013Z"}],"ghsa":[{"id":"GHSA-wxhm-9fww-9xcx","title":"Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows...","description":"Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.","status":"published","published":"2023-03-16T21:30:16Z","modified":"2023-04-01T05:07:08Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T14:54:26.249885Z"}],"nvd":[{"id":"CVE-2023-21455","description":"Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.","status":"published","published":"2023-03-16T21:15:11.967Z","modified":"2026-06-17T05:32:38.57Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:07:49.031498Z"}]}}