{"id":"CVE-2019-17061","aliases":["EUVD-2019-7533","GHSA-rpvx-4pph-j4vq"],"status":"published","title":"The Bluetooth Low Energy (BLE) stack implementation on Cypress PSoC 4 through 3.62 devices does...","description":"The Bluetooth Low Energy (BLE) stack implementation on Cypress PSoC 4 through 3.62 devices does not properly restrict the BLE Link Layer header and executes certain memory contents upon receiving a packet with a Link Layer ID (LLID) equal to zero. This allows attackers within radio range to cause deadlocks, cause anomalous behavior in the BLE state machine, or trigger a buffer overflow via a crafted BLE Link Layer frame.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00888,"percentile":0.59628,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-02-10T20:17:23Z","modified":"2026-06-17T02:23:14Z","products":[{"vendor":"cypress","product":"psoc_4_ble"}],"references":[{"url":"https://www.cypress.com/products/ble-bluetooth","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://asset-group.github.io/disclosures/sweyntooth/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://community.cypress.com/thread/53680","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-17061"},{"url":"https://asset-group.github.io/disclosures/sweyntooth"},{"url":"https://github.com/advisories/GHSA-rpvx-4pph-j4vq"}],"sources":{"cve":[{"id":"CVE-2019-17061","description":"The Bluetooth Low Energy (BLE) stack implementation on Cypress PSoC 4 through 3.62 devices does not properly restrict the BLE Link Layer header and executes certain memory contents upon receiving a packet with a Link Layer ID (LLID) equal to zero. This allows attackers within radio range to cause deadlocks, cause anomalous behavior in the BLE state machine, or trigger a buffer overflow via a crafted BLE Link Layer frame.","status":"published","published":"2020-02-10T20:17:23Z","modified":"2024-08-05T01:33:16.274Z","updated_at":"2026-11-02T14:20:24.678649Z"}],"euvd":[{"id":"EUVD-2019-7533","description":"The Bluetooth Low Energy (BLE) stack implementation on Cypress PSoC 4 through 3.62 devices does not properly restrict the BLE Link Layer header and executes certain memory contents upon receiving a packet with a Link Layer ID (LLID) equal to zero. This allows attackers within radio range to cause deadlocks, cause anomalous behavior in the BLE state machine, or trigger a buffer overflow via a crafted BLE Link Layer frame.","status":"published","published":"2020-02-10T20:17:23Z","modified":"2024-08-05T01:33:16Z","updated_at":"2026-11-03T02:40:31.468839Z"}],"ghsa":[{"id":"GHSA-rpvx-4pph-j4vq","title":"The Bluetooth Low Energy (BLE) stack implementation on Cypress PSoC 4 through 3.62 devices does...","description":"The Bluetooth Low Energy (BLE) stack implementation on Cypress PSoC 4 through 3.62 devices does not properly restrict the BLE Link Layer header and executes certain memory contents upon receiving a packet with a Link Layer ID (LLID) equal to zero. This allows attackers within radio range to cause deadlocks, cause anomalous behavior in the BLE state machine, or trigger a buffer overflow via a crafted BLE Link Layer frame.","status":"published","published":"2022-05-24T17:08:19Z","modified":"2024-04-04T02:47:44Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:56:12.154453Z"}],"nvd":[{"id":"CVE-2019-17061","description":"The Bluetooth Low Energy (BLE) stack implementation on Cypress PSoC 4 through 3.62 devices does not properly restrict the BLE Link Layer header and executes certain memory contents upon receiving a packet with a Link Layer ID (LLID) equal to zero. This allows attackers within radio range to cause deadlocks, cause anomalous behavior in the BLE state machine, or trigger a buffer overflow via a crafted BLE Link Layer frame.","status":"published","published":"2020-02-10T21:51:09.373Z","modified":"2026-06-17T02:23:14.643Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":6.1,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:43.875329Z"}]}}