{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-32056", "assignerOrgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "state": "PUBLISHED", "assignerShortName": "ASRG", "dateReserved": "2025-04-03T15:32:43.280Z", "datePublished": "2026-01-22T15:21:21.945Z", "dateUpdated": "2026-01-22T15:44:40.651Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "Infotainment system ECU", "vendor": "Bosch", "versions": [{"status": "affected", "version": "283C30861E", "versionType": "283C30861E"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bosch:infotainment_system_ecu:283c30861e:*:linux:*:*:*:*:*", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "Polina Smirnova (PCA Cyber Security Assessment Team)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The anti-theft protection mechanism can be bypassed by attackers due to weak response generation algorithms for the head unit. It is possible to reveal all 32 corresponding responses by sniffing CAN traffic or by pre-calculating the values, which allow to bypass the protection.<br><br>First identified on <span style=\"background-color: var(--wht);\">Nissan Leaf ZE1 manufactured in 2020.</span><br>"}], "value": "The anti-theft protection mechanism can be bypassed by attackers due to weak response generation algorithms for the head unit. It is possible to reveal all 32 corresponding responses by sniffing CAN traffic or by pre-calculating the values, which allow to bypass the protection.\n\nFirst identified on Nissan Leaf ZE1 manufactured in 2020."}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1241", "description": "CWE-1241: Use of Predictable Algorithm in Random Number Generator", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "shortName": "ASRG", "dateUpdated": "2026-01-22T15:21:21.945Z"}, "references": [{"tags": ["product"], "url": "https://www.nissan.co.uk/vehicles/new-vehicles/leaf.html"}, {"tags": ["media-coverage"], "url": "http://i.blackhat.com/Asia-25/Asia-25-Evdokimov-Remote-Exploitation-of-Nissan-Leaf.pdf"}, {"tags": ["technical-description"], "url": "https://pcacybersecurity.com/resources/advisory/vulnerabilities-in-nissan-infotainment-manufactured-by-bosch"}], "source": {"discovery": "UNKNOWN"}, "title": "Anti-Theft Bypass for Infotainment ECU", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-22T15:44:24.806159Z", "id": "CVE-2025-32056", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-22T15:44:40.651Z"}}]}}

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