{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49318", "assignerOrgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "state": "PUBLISHED", "assignerShortName": "ASRG", "dateReserved": "2026-05-29T07:26:43.198Z", "datePublished": "2026-05-29T13:18:52.305Z", "dateUpdated": "2026-05-29T13:18:52.305Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "shortName": "ASRG", "dateUpdated": "2026-05-29T13:18:52.305Z"}, "title": "Indian Scout Bobber 2025 Infotainment Digital Round skips PIN entry when WCM is silent at boot", "datePublic": "2026-05-29T15:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-696", "description": "CWE-696 Incorrect Behavior Order", "type": "CWE"}, {"lang": "en", "cweId": "CWE-636", "description": "CWE-636 Not Failing Securely ('Failing Open')", "type": "CWE"}, {"lang": "en", "cweId": "CWE-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Authentication Bypass"}]}, {"descriptions": [{"lang": "en", "value": "Leveraging Race Conditions"}]}], "affected": [{"vendor": "Indian Motorcycle (Polaris Inc.)", "product": "Scout Bobber + Tech", "platforms": ["OEM Motorcycle"], "modules": ["Infotainment / Digital Round"], "versions": [{"status": "affected", "version": "2025", "versionType": "model-year"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "Incorrect behavior order in the Infotainment / Digital Round display of the Indian Motorcycle Scout Bobber + Tech 2025 model year allows an adjacent-network attacker to bypass the PIN entry screen. The Infotainment uses presence of Wireless Control Module (WCM) traffic during its boot window as a proxy for whether an immobilizer is fitted; if no WCM messages are observed, it skips the PIN entry screen and shows the normal user interface. An attacker who silences the WCM during the boot window \u2014 for example via a separately tracked CAN bus-off technique \u2014 can present a fully unlocked Infotainment despite the PIN never being entered. Specific timing and protocol details have been withheld pending vendor remediation.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Incorrect behavior order in the Infotainment / Digital Round display of the Indian Motorcycle Scout Bobber + Tech 2025 model year allows an adjacent-network attacker to bypass the PIN entry screen. The Infotainment uses presence of Wireless Control Module (WCM) traffic during its boot window as a proxy for whether an immobilizer is fitted; if no WCM messages are observed, it skips the PIN entry screen and shows the normal user interface. An attacker who silences the WCM during the boot window \u2014 for example via a separately tracked CAN bus-off technique \u2014 can present a fully unlocked Infotainment despite the PIN never being entered. Specific timing and protocol details have been withheld pending vendor remediation.</p>"}]}], "references": [{"url": "https://cwe.mitre.org/data/definitions/696.html", "tags": ["technical-description"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "LOW", "baseScore": 2.4, "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "PHYSICAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "LOW", "baseScore": 1, "vectorString": "CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "Fail secure on WCM absence: if the Infotainment cannot positively identify a WCM via signed challenge-response with a per-boot nonce, default to a locked screen indicating WCM service required, rather than skipping the PIN entry.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Fail secure on WCM absence: if the Infotainment cannot positively identify a WCM via signed challenge-response with a per-boot nonce, default to a locked screen indicating WCM service required, rather than skipping the PIN entry.</p>"}]}], "timeline": [{"time": "2025-03-26T00:00:00.000Z", "lang": "en", "value": "Reported to Indian Motorcycle by Rustic Security LLC (responsible disclosure)"}], "credits": [{"lang": "en", "value": "Scott Sheahan, Rustic Security LLC", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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