{"id":"CVE-2024-20820","aliases":["EUVD-2024-18535","GHSA-pc53-x582-24xc"],"status":"published","title":"Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows attacker to cause...","description":"Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows local privileged attackers to cause an Out-Of-Bounds read.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00203,"percentile":0.10396,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2024-02-06T02:23:11Z","modified":"2026-06-17T07:07:57Z","products":[{"vendor":"samsung","product":"android"},{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2024\u0026month=02","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-20820"},{"url":"https://github.com/advisories/GHSA-pc53-x582-24xc"}],"sources":{"cve":[{"id":"CVE-2024-20820","description":"Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows local privileged attackers to cause an Out-Of-Bounds read.","status":"published","published":"2024-02-06T02:23:11.452Z","modified":"2024-08-01T22:06:36.246Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:56.868512Z"}],"euvd":[{"id":"EUVD-2024-18535","description":"Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows local privileged attackers to cause an Out-Of-Bounds read.","status":"published","published":"2024-02-06T02:23:11Z","modified":"2024-08-01T22:06:36Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:50:30.44465Z"}],"ghsa":[{"id":"GHSA-pc53-x582-24xc","title":"Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows attacker to cause...","description":"Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows attacker to cause an Out-Of-Bounds read.","status":"published","published":"2024-02-06T03:33:00Z","modified":"2026-03-14T05:08:39Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:06:37.566427Z"}],"nvd":[{"id":"CVE-2024-20820","description":"Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows local privileged attackers to cause an Out-Of-Bounds read.","status":"published","published":"2024-02-06T03:15:09.67Z","modified":"2026-06-17T07:07:57.353Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:09:34.891666Z"}]}}