{"cve":"CVE-2023-4029","nvd":{"published":"2023-08-17T17:15:10.313","modified":"2026-06-17T06:36:56.913","status":"Modified","description":"A buffer overflow has been identified in the BoardUpdateAcpiDxe driver in some Lenovo ThinkPad products which may allow an attacker with local access and elevated privileges to execute arbitrary code.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":6.7},"cwes":["CWE-120"],"references":["https://support.lenovo.com/us/en/product_security/LEN-134879","https://support.lenovo.com/us/en/product_security/LEN-134879"],"products":["lenovo:k14_type_21cu_firmware","lenovo:k14_type_21cv_firmware","lenovo:thinkpad_e14_gen_3_firmware","lenovo:thinkpad_e15_gen_3_firmware","lenovo:thinkpad_l13_gen_2_firmware","lenovo:thinkpad_l13_gen_3_firmware","lenovo:thinkpad_l13_gen_4_firmware","lenovo:thinkpad_l13_yoga_gen_2_firmware","lenovo:thinkpad_l13_yoga_gen_3_firmware","lenovo:thinkpad_l13_yoga_gen_4_firmware","lenovo:thinkpad_l14_gen_2_firmware","lenovo:thinkpad_l14_gen_3_firmware","lenovo:thinkpad_l14_gen_4_firmware","lenovo:thinkpad_l15_gen_2_firmware","lenovo:thinkpad_l15_gen_3_firmware","lenovo:thinkpad_l15_gen_4_firmware","lenovo:thinkpad_p14s_gen_2_firmware","lenovo:thinkpad_s2_gen_6_firmware","lenovo:thinkpad_s2_gen_7_firmware","lenovo:thinkpad_s2_gen_8_firmware","lenovo:thinkpad_s2_yoga_gen_6_firmware","lenovo:thinkpad_s2_yoga_gen_7_firmware","lenovo:thinkpad_s2_yoga_gen_8_firmware","lenovo:thinkpad_t14_gen_2_firmware","lenovo:thinkpad_t14s_gen_2_firmware","lenovo:thinkpad_x13_gen_2_firmware"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-4029","score":0.00194,"percentile":0.09093,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}