{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-32056",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-22T15:44:24.806159Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-22T15:44:40.651Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "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.\u003cbr\u003e\u003cbr\u003eFirst identified on \u003cspan style=\"background-color: var(--wht);\"\u003eNissan Leaf ZE1 manufactured in 2020.\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "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": {
        "dateUpdated": "2026-01-22T15:21:21.945Z",
        "orgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba",
        "shortName": "ASRG"
      },
      "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"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba",
    "assignerShortName": "ASRG",
    "cveId": "CVE-2025-32056",
    "datePublished": "2026-01-22T15:21:21.945Z",
    "dateReserved": "2025-04-03T15:32:43.280Z",
    "dateUpdated": "2026-01-22T15:44:40.651Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-32056\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-22T15:44:24.806159Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-22T15:44:33.504Z\"}}], \"cna\": {\"title\": \"Anti-Theft Bypass for Infotainment ECU\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Polina Smirnova (PCA Cyber Security Assessment Team)\"}], \"impacts\": [{\"capecId\": \"CAPEC-115\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-115 Authentication Bypass\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 4, \"attackVector\": \"PHYSICAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Bosch\", \"product\": \"Infotainment system ECU\", \"versions\": [{\"status\": \"affected\", \"version\": \"283C30861E\", \"versionType\": \"283C30861E\"}], \"platforms\": [\"Linux\"], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://www.nissan.co.uk/vehicles/new-vehicles/leaf.html\", \"tags\": [\"product\"]}, {\"url\": \"http://i.blackhat.com/Asia-25/Asia-25-Evdokimov-Remote-Exploitation-of-Nissan-Leaf.pdf\", \"tags\": [\"media-coverage\"]}, {\"url\": \"https://pcacybersecurity.com/resources/advisory/vulnerabilities-in-nissan-infotainment-manufactured-by-bosch\", \"tags\": [\"technical-description\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"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.\", \"supportingMedia\": [{\"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.\u003cbr\u003e\u003cbr\u003eFirst identified on \u003cspan style=\\\"background-color: var(--wht);\\\"\u003eNissan Leaf ZE1 manufactured in 2020.\u003c/span\u003e\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1241\", \"description\": \"CWE-1241: Use of Predictable Algorithm in Random Number Generator\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:bosch:infotainment_system_ecu:283c30861e:*:linux:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"c15abc07-96a9-4d11-a503-5d621bfe42ba\", \"shortName\": \"ASRG\", \"dateUpdated\": \"2026-01-22T15:21:21.945Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-32056\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-22T15:44:40.651Z\", \"dateReserved\": \"2025-04-03T15:32:43.280Z\", \"assignerOrgId\": \"c15abc07-96a9-4d11-a503-5d621bfe42ba\", \"datePublished\": \"2026-01-22T15:21:21.945Z\", \"assignerShortName\": \"ASRG\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}