{"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":"2026-08-12T03:51:29.100102098Z","published":"2025-03-13T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53406.json"},"references":[{"type":"WEB","url":"https://github.com/yangting111/BLE_TEST/blob/main/result/PoC/Esp/sk_reuse.md"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53406.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53406"},{"type":"PACKAGE","url":"https://github.com/espressif/esp-idf"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/espressif/esp-idf","events":[{"introduced":"8171b22c40f39a75cd0db62165e7ef017f78c572"},{"last_affected":"8171b22c40f39a75cd0db62165e7ef017f78c572"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:espressif:esp-idf:5.3:-:*:*:*:*:*:*","extracted_events":[{"introduced":"5.3-NA"},{"last_affected":"5.3-NA"}]}}],"versions":["5.3-NA","v5.3-dev"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53406.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}