{"id":"CVE-2020-15531","aliases":["EUVD-2020-7518","GHSA-7x2r-4hx9-vpj8"],"status":"published","title":"Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This...","description":"Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03158,"percentile":0.88066,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-08-19T19:22:58Z","modified":"2026-06-17T02:56:47Z","products":[{"vendor":"silabs","product":"bluetooth_low_energy_software_development_kit"}],"references":[{"url":"https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_rce.py","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.youtube.com/watch?v=saoTr1NwdzM","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15531"},{"url":"https://github.com/advisories/GHSA-7x2r-4hx9-vpj8"}],"sources":{"cve":[{"id":"CVE-2020-15531","description":"Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.","status":"published","published":"2020-08-19T19:22:58Z","modified":"2024-08-04T13:15:20.821Z","updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2020-7518","description":"Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.","status":"published","published":"2020-08-19T19:22:58Z","modified":"2024-08-04T13:15:20Z","updated_at":"2026-11-03T03:07:31.508652Z"}],"ghsa":[{"id":"GHSA-7x2r-4hx9-vpj8","title":"Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This...","description":"Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.","status":"published","published":"2022-05-24T17:26:13Z","modified":"2023-01-29T05:03:47Z","updated_at":"2026-11-02T14:45:23.726919Z"}],"nvd":[{"id":"CVE-2020-15531","description":"Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.","status":"published","published":"2020-08-20T01:17:12.663Z","modified":"2026-06-17T02:56:47.757Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:13.05572Z"}]}}