{"id":"CVE-2023-5055","aliases":["EUVD-2023-57398","GHSA-wr8r-7f8x-24jj"],"status":"published","title":"L2CAP: Possible Stack based buffer overflow in le_ecred_reconf_req()","description":"Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00751,"percentile":0.55265,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2023-11-21T18:05:10Z","modified":"2026-10-28T02:31:00Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wr8r-7f8x-24jj","tags":["x_transferred","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5055.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5055","tags":["advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-5055","title":"L2CAP: Possible Stack based buffer overflow in le_ecred_reconf_req()","description":"Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.","status":"published","published":"2023-11-21T18:05:10.824Z","modified":"2024-08-02T07:44:53.707Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:17.149492Z"}],"euvd":[{"id":"EUVD-2023-57398","description":"Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.","status":"published","published":"2023-11-21T18:05:10Z","modified":"2024-08-02T07:44:53Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:12.183917Z"}],"nvd":[{"id":"CVE-2023-5055","description":"Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.","status":"published","published":"2023-11-21T18:15:09.023Z","modified":"2026-06-17T06:47:27.07Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:08:47.966245Z"}],"osv":[{"id":"CVE-2023-5055","title":"L2CAP: Possible Stack based buffer overflow in le_ecred_reconf_req()","description":"Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.","status":"published","published":"2023-11-21T18:05:10.824Z","modified":"2026-10-28T02:31:00.937121567Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:44:35.245372Z"}]}}