{"id":"CVE-2023-28904","aliases":["EUVD-2023-32524","GHSA-gqwg-33mc-9c6j"],"status":"published","title":"Bypass of secure boot process","description":"A logic flaw leading to a RAM buffer overflow in the bootloader component of the MIB3 infotainment unit allows an attacker with physical access to the MIB3 ECU to bypass firmware signature verification and run arbitrary code in the infotainment system at boot process.","severity":{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00323,"percentile":0.25505,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2025-06-28T15:37:35Z","modified":"2026-06-17T05:49:00Z","products":[{"vendor":"preh car connect gmbh (joynext gmbh)","product":"volkswagen mib3 infotainment system mib3 oi mqb"}],"references":[{"url":"https://i.blackhat.com/EU-24/Presentations/EU-24-Parnishchev-OverTheAirVW.pdf","tags":["exploit"]},{"url":"https://pcacybersecurity.com/resources/advisory/vulnerabilities-in-vw-mib3-infotainment-2","tags":["technical-description"]},{"url":"https://asrg.io/security-advisories/vulnerabilities-in-volkswagen-mib3-infotainment-part-2/","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28904"},{"url":"https://asrg.io/security-advisories/vulnerabilities-in-volkswagen-mib3-infotainment-part-2"},{"url":"https://github.com/advisories/GHSA-gqwg-33mc-9c6j"}],"sources":{"cve":[{"id":"CVE-2023-28904","title":"Bypass of secure boot process","description":"A logic flaw leading to a RAM buffer overflow in the bootloader component of the MIB3 infotainment unit allows an attacker with physical access to the MIB3 ECU to bypass firmware signature verification and run arbitrary code in the infotainment system at boot process.","status":"published","published":"2025-06-28T15:37:35.093Z","modified":"2025-06-30T19:20:40.496Z","cvss":[{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:32.376766Z"}],"euvd":[{"id":"EUVD-2023-32524","description":"A logic flaw leading to a RAM buffer overflow in the bootloader component of the MIB3 infotainment unit allows an attacker with physical access to the MIB3 ECU to bypass firmware signature verification and run arbitrary code in the infotainment system at boot process.","status":"published","published":"2025-06-28T15:37:35Z","modified":"2025-06-30T19:20:40Z","cvss":[{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T20:32:15.30157Z"}],"ghsa":[{"id":"GHSA-gqwg-33mc-9c6j","title":"A logic flaw leading to a RAM buffer overflow in the bootloader component of the MIB3...","description":"A logic flaw leading to a RAM buffer overflow in the bootloader component of the MIB3 infotainment unit allows an attacker with physical access to the MIB3 ECU to bypass firmware signature verification and run arbitrary code in the infotainment system at boot process.","status":"published","published":"2025-06-28T18:32:36Z","modified":"2025-06-28T18:32:42Z","cvss":[{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:02:51.611786Z"}],"nvd":[{"id":"CVE-2023-28904","description":"A logic flaw leading to a RAM buffer overflow in the bootloader component of the MIB3 infotainment unit allows an attacker with physical access to the MIB3 ECU to bypass firmware signature verification and run arbitrary code in the infotainment system at boot process.","status":"published","published":"2025-06-28T16:15:22.25Z","modified":"2026-06-17T05:49:00.803Z","cvss":[{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:09:21.774456Z"}]}}