{"id":"CVE-2023-41093","aliases":["EUVD-2023-45613","GHSA-jrq9-x3g5-75ph"],"status":"published","title":"Loss of confidentiality due to potential race condition in Bluetooth controller Connection_Handle reuse","description":"Use After Free vulnerability in Silicon Labs Bluetooth SDK on 32 bit, ARM may allow an attacker with precise timing capabilities to intercept a small number of packets intended for a recipient that has left the network.This issue affects Silabs Bluetooth SDK: through 8.0.0.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00193,"percentile":0.09011,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2024-07-12T19:56:16Z","modified":"2026-06-17T06:20:32Z","products":[{"vendor":"silabs","product":"bluetooth_low_energy_software_development_kit"},{"vendor":"silabs.com","product":"simplicity sdk"},{"vendor":"silicon labs","product":"simplicity sdk"}],"references":[{"url":"https://community.silabs.com/068Vm000007v4HP","tags":["x_transferred","Permissions Required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-41093"},{"url":"https://github.com/advisories/GHSA-jrq9-x3g5-75ph"}],"sources":{"cve":[{"id":"CVE-2023-41093","title":"Loss of confidentiality due to potential race condition in Bluetooth controller Connection_Handle reuse","description":"Use After Free vulnerability in Silicon Labs Bluetooth SDK on 32 bit, ARM may allow an attacker with precise timing capabilities to intercept a small number of packets intended for a recipient that has left the network.This issue affects Silabs Bluetooth SDK: through 8.0.0.","status":"published","published":"2024-07-12T19:56:16.225Z","modified":"2024-08-02T18:46:11.834Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:35:19.217111Z"}],"euvd":[{"id":"EUVD-2023-45613","description":"Use After Free vulnerability in Silicon Labs Bluetooth SDK on 32 bit, ARM may allow an attacker with precise timing capabilities to intercept a small number of packets intended for a recipient that has left the network.This issue affects Silabs Bluetooth SDK: through 8.0.0.","status":"published","published":"2024-07-12T19:56:16Z","modified":"2024-08-02T18:46:11Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T03:50:01.590469Z"}],"ghsa":[{"id":"GHSA-jrq9-x3g5-75ph","title":"Use After Free vulnerability in Silicon Labs Bluetooth SDK on 32 bit, ARM may allow an attacker...","description":"Use After Free vulnerability in Silicon Labs Bluetooth SDK on 32 bit, ARM may allow an attacker with precise timing capabilities to intercept a small number of packets intended for a recipient that has left the network.This issue affects Silabs Bluetooth SDK: through 8.0.0.","status":"published","published":"2024-07-12T21:31:17Z","modified":"2024-07-12T21:31:23Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:57:41.954948Z"}],"nvd":[{"id":"CVE-2023-41093","description":"Use After Free vulnerability in Silicon Labs Bluetooth SDK on 32 bit, ARM may allow an attacker with precise timing capabilities to intercept a small number of packets intended for a recipient that has left the network.This issue affects Silabs Bluetooth SDK: through 8.0.0.","status":"published","published":"2024-07-12T20:15:02.38Z","modified":"2026-06-17T06:20:32.087Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:09:17.205287Z"}]}}