{"id":"CVE-2023-4028","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-4028","generatedAt":"2026-10-28T01:40:03.730Z","title":"A buffer overflow has been identified in the SystemUserMasterHddPwdDxe driver in some Lenovo Notebook products which may allow an attacker with local access and elevated privileges to execute arbitrary code.","description":"A buffer overflow has been identified in the SystemUserMasterHddPwdDxe driver in some Lenovo Notebook products which may allow an attacker with local access and elevated privileges to execute arbitrary code.","published":"2023-08-17T17:15:10.000Z","lastModified":"2026-06-17T06:36:57.000Z","status":"Modified","sourceIdentifier":"psirt@lenovo.com","cvss":{"version":"3.1","score":6.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120"],"affected":["lenovo/13w yoga firmware","lenovo/13w yoga gen 2 firmware","lenovo/ideapad 1-11ada05 firmware","lenovo/ideapad 1-11igl05 firmware","lenovo/ideapad 1-14ada05 firmware","lenovo/ideapad 1-14igl05 firmware","lenovo/flex 5-14alc05 firmware","lenovo/flex 5-14are05 firmware","lenovo/flex 5-14iil05 firmware","lenovo/flex 5-14itl05 firmware","lenovo/flex 5-15alc05 firmware","lenovo/flex 5-15iil05 firmware","lenovo/flex 5-15itl05 firmware","lenovo/ideapad flex 5 14abr8 firmware","lenovo/ideapad flex 5 14alc7 firmware","lenovo/ideapad flex 5 14iau7 firmware","lenovo/ideapad flex 5 14iru8 firmware","lenovo/ideapad flex 5 16abr8 firmware","lenovo/ideapad flex 5 16alc7 firmware","lenovo/ideapad flex 5 16iau7 firmware","lenovo/ideapad flex 5 16iru8 firmware","lenovo/flex 7 14iru8 firmware","lenovo/thinkbook 13s g2 are firmware","lenovo/thinkbook 13s g2 itl firmware","lenovo/thinkbook 13s g3 acn firmware","lenovo/thinkbook 13s g4 iap firmware","lenovo/thinkbook 13x g2 iap firmware","lenovo/thinkbook 14s g2 itl firmware","lenovo/yoga 9-15imh5 firmware"],"epss":{"score":0.00194,"percentile":0.08958,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-134879","tags":["Vendor Advisory"],"source":"psirt@lenovo.com"},{"url":"https://support.lenovo.com/us/en/product_security/LEN-134879","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-4028","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}