{"id":"CVE-2023-34406","aliases":["EUVD-2023-38484","GHSA-fc4h-jq3v-6rrg"],"status":"published","title":"An issue was discovered on Mercedes Benz NTG 6. A possible integer overflow exists in the user...","description":"An issue was discovered on Mercedes Benz NTG 6. A possible integer overflow exists in the user data import/export function of NTG (New Telematics Generation) 6 head units. To perform this attack, local access to USB interface of the car is needed. With prepared data, an attacker can cause the User-Data service to fail. The failed service instance will restart automatically.","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00222,"percentile":0.129,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2025-02-13T00:00:00Z","modified":"2026-06-17T06:03:34Z","products":[{"vendor":"mercedes-benz","product":"headunit_ntg6_mercedes-benz_user_experience"}],"references":[{"url":"https://securelist.com/mercedes-benz-head-unit-security-research/115218/","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34406"},{"url":"https://securelist.com/mercedes-benz-head-unit-security-research/115218"},{"url":"https://github.com/advisories/GHSA-fc4h-jq3v-6rrg"}],"sources":{"cve":[{"id":"CVE-2023-34406","description":"An issue was discovered on Mercedes Benz NTG 6. A possible integer overflow exists in the user data import/export function of NTG (New Telematics Generation) 6 head units. To perform this attack, local access to USB interface of the car is needed. With prepared data, an attacker can cause the User-Data service to fail. The failed service instance will restart automatically.","status":"published","published":"2025-02-13T00:00:00Z","modified":"2025-03-17T18:50:53.898Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-38484","description":"An issue was discovered on Mercedes Benz NTG 6. A possible integer overflow exists in the user data import/export function of NTG (New Telematics Generation) 6 head units. To perform this attack, local access to USB interface of the car is needed. With prepared data, an attacker can cause the User-Data service to fail. The failed service instance will restart automatically.","status":"published","published":"2025-02-13T00:00:00Z","modified":"2025-03-17T18:50:53Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T20:53:01.2656Z"}],"ghsa":[{"id":"GHSA-fc4h-jq3v-6rrg","title":"An issue was discovered on Mercedes Benz NTG 6. A possible integer overflow exists in the user...","description":"An issue was discovered on Mercedes Benz NTG 6. A possible integer overflow exists in the user data import/export function of NTG (New Telematics Generation) 6 head units. To perform this attack, local access to USB interface of the car is needed. With prepared data, an attacker can cause the User-Data service to fail. The failed service instance will restart automatically.","status":"published","published":"2025-02-14T00:30:44Z","modified":"2025-03-17T21:31:36Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:00:19.533375Z"}],"nvd":[{"id":"CVE-2023-34406","description":"An issue was discovered on Mercedes Benz NTG 6. A possible integer overflow exists in the user data import/export function of NTG (New Telematics Generation) 6 head units. To perform this attack, local access to USB interface of the car is needed. With prepared data, an attacker can cause the User-Data service to fail. The failed service instance will restart automatically.","status":"published","published":"2025-02-13T23:15:09.633Z","modified":"2026-06-17T06:03:34.547Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:09:20.080574Z"}]}}