{"id":"CVE-2023-4280","summary":"Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region","details":"An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region.","modified":"2026-08-12T03:51:20.702600090Z","published":"2024-01-02T16:52:06.959Z","database_specific":{"cna_assigner":"Silabs","cwe_ids":["CWE-125","CWE-787"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4280.json"},"references":[{"type":"WEB","url":"https://community.silabs.com/069Vm0000004NinIAE"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4280.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4280"},{"type":"PACKAGE","url":"https://github.com/SiliconLabs/gecko_sdk"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/siliconlabs/gecko_sdk","events":[{"introduced":"0"},{"last_affected":"551fb8d0f659a56dcb0abde93cef7b8464bf0ac6"}],"database_specific":{"cpe":"cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.0"},{"last_affected":"4.3.x"},{"introduced":"1.0.0"},{"last_affected":"4.3.2"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["v4.2.3","v4.3.0","v4.2.2","v4.2.1","v4.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4280.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"}]}