{"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":"2026-06-27T08:48:24.495Z"},"containers":{"cna":{"providerMetadata":{"orgId":"c15abc07-96a9-4d11-a503-5d621bfe42ba","shortName":"ASRG","dateUpdated":"2026-06-27T08:48:24.495Z"},"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","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 — for example via a separately tracked CAN bus-off technique — 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 — for example via a separately tracked CAN bus-off technique — 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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-29T14:07:21.099266Z","id":"CVE-2026-49318","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":"2026-05-29T14:07:27.548Z"}}]}}