{"id":"CVE-2022-1891","aliases":["EUVD-2022-25163","GHSA-f95f-f57p-rc4m"],"status":"published","title":"A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow...","description":"A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00353,"percentile":0.29245,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-122"],"published":"2023-01-23T15:25:33Z","modified":"2026-06-17T04:23:17Z","products":[{"vendor":"lenovo","product":"bios"},{"vendor":"lenovo","product":"thinkbook_14-iil_firmware"},{"vendor":"lenovo","product":"thinkbook_14-iml_firmware"},{"vendor":"lenovo","product":"thinkbook_15-iil_firmware"},{"vendor":"lenovo","product":"thinkbook_15-iml_firmware"},{"vendor":"lenovo","product":"yoga_c640-13iml_firmware"},{"vendor":"lenovo","product":"yoga_c640-13iml_lte_firmware"}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-91369","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1891"},{"url":"https://github.com/advisories/GHSA-f95f-f57p-rc4m"}],"sources":{"cve":[{"id":"CVE-2022-1891","description":"A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.","status":"published","published":"2023-01-23T15:25:33.599Z","modified":"2025-04-03T16:54:57.859Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:34:38.263045Z"}],"euvd":[{"id":"EUVD-2022-25163","description":"A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.","status":"published","published":"2023-01-23T15:25:33Z","modified":"2025-04-03T16:54:57Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:43.340305Z"}],"ghsa":[{"id":"GHSA-f95f-f57p-rc4m","title":"A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow...","description":"A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.","status":"published","published":"2023-01-26T21:30:28Z","modified":"2023-02-11T05:06:05Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:54:04.413406Z"}],"nvd":[{"id":"CVE-2022-1891","description":"A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.","status":"published","published":"2023-01-26T21:15:25.193Z","modified":"2026-06-17T04:23:17.55Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-122","CWE-120"],"updated_at":"2026-11-02T14:07:35.561816Z"}]}}