{"id":"CVE-2024-53406","details":"Espressif Esp idf v5.3.0 is vulnerable to Insecure Permissions resulting in Authentication bypass. In the reconnection phase, the device reuses the session key from a previous connection session, creating an opportunity for attackers to execute security bypass attacks.","modified":"2026-03-12T14:38:01.896564Z","published":"2025-03-13T17:15:33.410Z","references":[{"type":"PACKAGE","url":"https://github.com/espressif/esp-idf"},{"type":"EVIDENCE","url":"https://github.com/yangting111/BLE_TEST/blob/main/result/PoC/Esp/sk_reuse.md"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/espressif/esp-idf","events":[{"introduced":"0"},{"last_affected":"8171b22c40f39a75cd0db62165e7ef017f78c572"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"5.3-NA"}]}}],"versions":["v0.9","v1.0","v2.0-rc1","v2.1-rc1","v3.0-dev","v3.1-beta1","v3.1-dev","v3.2-beta1","v3.2-dev","v3.3-beta1","v3.3-beta2","v3.3-dev","v4.0-dev","v4.1-dev","v4.2-dev","v4.3-beta1","v4.3-dev","v4.4-dev","v5.0-beta1","v5.0-dev","v5.1-dev","v5.2-dev","v5.3-dev"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53406.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}