{"id":"CVE-2021-3435","aliases":["EUVD-2021-26761"],"status":"published","title":"L2CAP: Information leakage in le_ecred_conn_req()","description":"Information leakage in le_ecred_conn_req(). Zephyr versions \u003e= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh","severity":{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0022,"percentile":0.12605,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-908"],"published":"2022-06-28T19:45:44Z","modified":"2026-06-17T04:05:05Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]}],"sources":{"cve":[{"id":"CVE-2021-3435","title":"L2CAP: Information leakage in le_ecred_conn_req()","description":"Information leakage in le_ecred_conn_req(). Zephyr versions \u003e= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh","status":"published","published":"2022-06-28T19:45:44.593Z","modified":"2024-09-16T17:48:21.384Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26761","description":"Information leakage in le_ecred_conn_req(). Zephyr versions \u003e= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh","status":"published","published":"2022-06-28T19:45:44Z","modified":"2024-09-16T17:48:21Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:38.742114Z"}],"nvd":[{"id":"CVE-2021-3435","description":"Information leakage in le_ecred_conn_req(). Zephyr versions \u003e= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh","status":"published","published":"2022-06-28T20:15:08.293Z","modified":"2026-06-17T04:05:05.24Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}