{"id":"CVE-2020-10068","aliases":["EUVD-2020-2533","GHSA-vwfw-j95m-5r48"],"status":"published","title":"Zephyr Bluetooth DLE duplicate requests vulnerability","description":"In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.","severity":{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00496,"percentile":0.4287,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-06-05T17:37:37Z","modified":"2026-06-17T02:47:17Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23091","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-78","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10068","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23707","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23708","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23964","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10068"},{"url":"https://github.com/advisories/GHSA-vwfw-j95m-5r48"}],"sources":{"cve":[{"id":"CVE-2020-10068","title":"Zephyr Bluetooth DLE duplicate requests vulnerability","description":"In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.","status":"published","published":"2020-06-05T17:37:37.415Z","modified":"2024-09-16T17:54:11.004Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:47.877975Z"}],"euvd":[{"id":"EUVD-2020-2533","description":"In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.","status":"published","published":"2020-06-05T17:37:37Z","modified":"2024-09-16T17:54:11Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:55:37.743963Z"}],"ghsa":[{"id":"GHSA-vwfw-j95m-5r48","title":"In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause...","description":"In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.","status":"published","published":"2022-05-24T17:19:25Z","modified":"2023-01-29T05:02:51Z","updated_at":"2026-11-02T14:45:10.945052Z"}],"nvd":[{"id":"CVE-2020-10068","description":"In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.","status":"published","published":"2020-06-05T18:15:12.887Z","modified":"2026-06-17T02:47:17.577Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"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":3.3,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:05.962132Z"}]}}